W. (Wladislaw) Asch.
The silicates in chemistry and commerce, including the exposition of a hexite and pentite theory and of a stereochemical theory of general application online
. (page 37 of 53)
Online Library → W. (Wladislaw) Asch → The silicates in chemistry and commerce, including the exposition of a hexite and pentite theory and of a stereochemical theory of general application → online text (page 37 of 53)
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37.92
27.90
9.10
22.81
2.02
99.75
Pargas
Wilk 7
(b) 4 H 2 16 CaO 2.25 Fe 2 O 3 9.75 A1 2 3 24 Si0 2 .
Theory
38.28
26.43
9.57
23.81
1.91
100.00
XIV
37.96
26.35
9.71
23.77
2.02
99.81
Guttannen
Stockar-Escher 8
XV
38.13
26.42
9.74
23.30
2.02
99.61
Guttannen
Stockar-Escher 9
XXXIV
37.87
24.72
9.96
23.10
2.82
0.36
100.14a
Mainland
Heddle 10
(c) 4 H 2 O 16 CaO 2.5 Fe 2 O 3 9.5 A1 2 O 3 24 Si0 2 .
Theory
38.13
25.65
10.59
23.72
1.91
100.00
XIII
38.99
25.75
9.99
23.76
2.05
0.61 MgO
100.16
Guttannen
Scheerer 11
XLI
38.84
25.45
10.88
22.62
2.41
100.20
Arendal
Richter 12
(d) 4 H 2 O 16 CaO 2.75 Fe 2 3 9.25 A1 2 3 24 Si0 2 .
Theory
38.00
24.90
11.60
23.62
1.88
100.00
_ i _
LIII
37.47
24.09
10.60
22.19
2.24
2.81
99.40
Achtenskoi Hermann 1 3
LIX
38.20
24.62
12.20
21.59
2.16
0.57 MnO
99.846
Rowe, Mass. JA. G. Dana 14
(e) 4 H 2 16 CaO 3 Fe 2 3 9 A1 2 3 24 Si0 2 .
Theory
37.84
24.12
12.61
23.54
1.89
100.00
VIII
38.60
23.08
12.34
24.17
1.88
0.95
101.02
Sulzbachtal
Mauthner 15
IX
36.90
24.36
12.40
23.54
2.01
0.72
lOO.OOe
Sulzbachtal
Laspeyres 18
XXXII
38.26
24.75
11.07
23.63
2.26
0.56
100.53
Quenast
Renard 17
XXXVII
37.32
22.85
11.56
22.13
2.93
1.86
99.32d
Arendal
Hermann 18
a Inch 0.54 MnO 0.77 MgO.
6 Inol. 0.07 MnO.
* For references see p. 438.
c. Inch 0.13 MgO 0.37 Alkalies.
d Incl. 0.77 MgO.
THE GRANITES
355
SiO,
A1.0,
Fe 2 8
CaO
HO
FeO
Total
Source
Analyst
(f) 4 H 2 O 16 CaO 3.25 Fe 2 O 3 8.75 A1 2 O 3 24 Si0 2 .
Theory
37.70
23.37
13.601 23.45
1.881
100.00
IV
38.37
22.09
13.77 22.90
2.11
99.24
Sulzbachtal
v. Drasche 19
VI
37.83
23.43
13.3l| 23.47
2.06| 0.48
100.58
Sulzbachtal
Ludwig 80
(g) 4 H 2 16 CaO - 3.5 Fe 2 O 3 8.5 A1 2 O 3 24 Si0 2 .
Theory
37.55
22.61
14.60
23.36
1.88
100.00
V
XXX
LVIII
37.83
36.71
37.04
22.63
22.61
22.99
14.02
14.47
14.19
23.27
23.67
24.09
2.05
1.92
2.16
0.93
0.62
100.73
100.00
100.47
Sulzbachtal
"Bourg d'Osians"
Hereroland
Ludwig 21
Laspeyres 22
Wulf 23
(h) 4 H 2 16 CaO 3.75 Fe 2 3 8.25 A1 2 O 3 24 Si0 2 .
Theory
37.40
21.861 15,59
23.28
1.87
100.00
VII
37.11
21.90| 16,00
23.19
2.03
100.23
Sulzbachtal
Rammelsberg 24
(i) 4 H 2 16 CaO 4 Fe 2 O 3 8 A1 2 3 24 Si0 2 .
Theory
37.27
21.11 16.56 23.1911.87
__
100.00 _
XXIII
37.65
20.64
16.50
22.32 2.06
0.49MnO
100.12
Traversella
Scheerer 25
XXVIII
XXIX
XXXVII
XL
37.56
37.35
38.76
37.59
20.78
22.02
20.36
20.73
16.49
15.67
16.35
16.57
22.70
22.54i
23.71
22.64
2.09
2.35
2.00
2.11
0.29 MgO
0.44 MgO
0.41 MgO
99.91
99.93
101.67
100.05
"Bourg d'Osians"
"Bourg d'Osians"
Arendal
Arendal
Scheerer 26
Stockar-Escher 27
Rammelsberg 2 8
Scheerer* 9
The Granite Group
A number of Granites examined by K. H. Schneer may be expressed by
the general formula :
18 RO 6 R 2 3 18 Si0 2 and 16 RO 6 R 2 3 16 Si0 2
as may be ascertained from the following Table :
% Molecules
No.
CaO
FeO
MnO
A1.0,
Fe 2 0,
SiO a
H,0 || CaO
FeO
MnO
A1.0,
Fe,0,|siO,|H,O
Theory
33.25
1.22
6.92
21.72
36.89
1
33.59
1.17
7.44
20.94
36.56
17.5
0.5
2
4
18
Theory
32.12
1.82
0.60
6.88
21.59
36.68
0.31
2
32.36
1.91
0.48
7.35
21.58
36.33
0.48
17
0.75
0.25
2
4
18
0.5
Theory
32.12
2.43
6.88
21.59
36.68
0.30
3
31.51
2.88
7.07
22.51
35.97
0.25
17
1
2
4
18
0.5
Theory
33.52
1.25
0.61
12.39
13.88
37.73
0.62
4
33.55
1.68
0.28
11.99
14.79
37.53
0.48
17.25
0.5
0.25
3.5
2.5
18
1
Theory
34.22
1.25
13.36
12.57
37.96
0.64
5
34.01
1.71
0.54
13.29
13.01
37.52
0.53
17.5
0.5
3.75
2.25
18
1
Theory
32.46
3.85
16.37
8.56
38.76
6
31.98
4.46
0.57
16.29
8.73
37.96
0.22
16.25
1.75
4.5
1.5
18
Theory
32.05
2.74
13.72
14.60
36.89
7
32.73
2.54
13.73
14.03
37.18
15
1
3.75
2.25
16
356
THE MESOLITES
The
The following analyses of the
(a) S Al - Si Al S = 6 A1 2 3 15 Si0 2 ,
(b) Si Al Si Al Si = 6 A1 2 3 16 Si0 2 ,
(a) Mesolites of the type
Sf Al Si Al Si = 6 A1 2 3 15 Si0 2 ,
Source
Analyst
1
9 MO
2(6A1 2 O 3 -
15 SiO 2 )
36H 2 O
9MO = 3Na 2
6CaO
Antrimolite
Bengune
Thomson
2
11 MO
2 (6 A1 2 O 3
15SiO 2 )
26H 2 O
HMO = 5Na 2 O
6CaO
Eisenach
Luedecke
(b) Mesolites of the type
Si -Al - Si Al Si = 6 A1 2 3 16 Si0 2
Source
Analyst
3
10 MO - 2 (6 A1 2 O 3 16 SiO 2 ) 30 H 2 O
10MO=4Na 2 O-6CaO
Sandy Cove, N.S.
Marsh
4
11 MO 2 (6 A1 2 O 3 16 SiO 2 ) 40 H 2 O
HMO = 5Na 2 O-6CaO
Caranja Isle
Thomson
5
12 MO 2 (6 A1 2 O 3 16 SiO 2 ) 24 H 2 O
12MO = 4Na 2 O-8CaO
Harringtonite
Thomson
(c) Mesolites of the type
Si Al Si Al - Si = 6 A1 2 3 17 Si0 2
Source
Analyst
6
9 MO 2 (6 A1 2 O 3 17 SiO 2 ) 32 H 2 O
9 MO = 2 Na 2 O 7 CaO Iceland
Fuchs & Gehlen
7
11 MO 2 (6 A1 2 O 3 17 SiO 2 ) 30H 2 O
1 1 MO = 4 Na 2 O 7 CaO Iceland
Breidenstein
(d) Mesolites of the type
Si Al Si Al Si = 6 A1 2 3 18 Si0 2
1
Source
Analyst
8
12 MO- 2(6 A1 2 O 3 - 18 SiO 2 ) 30H 2 O
12MO = 4 Na 2 O 8 CaO
Niederkirchen
Riegel
9
10
11
12
13
99 99 99
99 99 99
99 99 99
99 99 99
99 9
99 9
99 9
99 9
99 9
Tirol
Antrimolite /
Bengune \
Skye
Skye
Fuchs & Gehlen
Heddle
Heddle
Heddle
Heddle
THE MESOLITES
357
Mesolites
Mesolites conform to the following types :
(c) Si Al Si Al Si = 6 A1 2 3
(d) Si Ai S*i Al Si = 6 A1 2 3
or the general formula
m MO 2 (6 A1 2 3 15 Si0 2 ) n H 2 0.
17 SiO,
18 SiO,
SiO,
Al,0,
CaO
Na,0
H,0
MgO
Total
Theory
VII
42.92
43.47
29.18
30.26
8.01
7.50
4.43
4.10*
15.46
15.32
0.19 FeO
100.00
100.94
Theory
II
43.50
43.83
29.57
29.04
8.12
7.84
7.49
7.80
11.31
11.75
z
100.00
100.26
or the general formula
m MO 2 (6 A1 2 3 16 Si0 2 )
nHoO.
Si0 2
A1,0 S
CaO
Na a O
H,0
MgO
Total
Theory
XXXII
44.98
45.39
28.68
28.09
7.87
7.55
5.81
5.28
12.66
12.71
0.49 K 2 O
100.00
99.51
Theory
XXXIX
42.58
42.70
27.14
27.50
7.45
7.61
6.87
7.00
15.96
14.71
100.00
99.52
Theory
XI
44.95
44.84
28.65
28.48
11.21
10.68
5.80
5.56
10.11
10.28
100.00
99.84
or the general formula
m MO 2 (6 R 2 3 17 Si0 2 )
nHoO.
SiO,
Al,0 8
CaO
Na,0 | H,0
MgO
Total
Theory
XXVI
46.83
46.58
28.10
27.57
9.00
9.10
2.84
3.64
13.83
13.17
0.03
100.00
100.14
Theory
XXIII
45.90
45.78
27.54
27.53
8.82
9.00
5.58
5.03
12.15
12.30
0.31 K,O
100.00
100.13
or the general formula
m MO 2 (6 A1 2 3 18 SiO 2 ) n H 2 O.
SiO,
Al,0,
CaO
Na,0
H,0
MgO
Total
Theory
V
VIII
IX
XIII
XIV
46.76
46.65
46.04
47.07
45.98
46.70
46.72
26.49
27.40
27.00
26.23
26.18
26.62
26.70
9.70
9.26
9.61
9.88
10.78
9.08
8.90
5.37
4.91
5.20
4.89
4.54
5.39
5.40
11.68
12.00
12.36
12.24
13.00
12.83
12.92
100.00
100.22
100.21
100.31
100.48
100.63
100.64
* Determined by Thomson as K a O.
358
THE CLINTONITES
Source
Analyst
12MO2(6A1 2 O S -18 SiO 2 )-30H 2 O
12MO = 4Na 2 O-8CaO
14
Skye
Heddle
15
NaalsjO
Berzelius
16
NaalsjS
Heddle
17
Naalsjo
Fuchs and Gehlen
18
Naalsjo
Durscher
19
StromO
E. E. Schmid
20
Berufjord
S. v. Waltershausen
21
Iceland
Fuchs and Gehlen
22
Iceland
Fuchs and Gehlen
23
Iceland
E. E. Schmid
24
Iceland
Lemberg
25
Port George, N.S.
How
26
Port George, N.S.
How
27
Cape Blomidon
Marsh
28
Atacama, Chili
Darapsky
29
14MO2(6 Al 2 O 8 -18SiO 2 H4H 2 O
14MO = 3Na 2 0-llCaO
Fritz Island, Pa.
Sadtler
The
The following analyses of the minerals of the
= 5R,O a - 6Si0 2 ,
12 Si0 2 ,
6 Si0 2 ,
12 Si0 2 ,
Si = 6 R,0 a 16 Si0 2 ,
18 Si0 2 .
A.
B.
C.
D.
E.
F.
R
R
R
R
Si
Si
&
si-
Si-
Si-
R.
R.
R
Si
R
Si
Si
Si
R
R
R
-R
2 ^3
= 5R 2 3
= 6 R 2 3
- 6 R 2 3
6R 2 3
6R 0,
A. Compounds of the type
R . Si R = 5 R 2 3 6 Si0 2
j
Source
Analyst
1
12M02 (5 Al 2 3 -6Si0 2 )-12H 2
12MO = 8FeO -4MgO
St. Marcel
Kobell
2
13MO-2 (5 Al 2 O 3 -6 SiO 2 )-9 H 2 O
13MO = 10FeO-2.5 MgO-0.5 MnO
Leeds, Canada
Hunt
B. Compounds of the type
R si Si R = 5 R 2 3 12 Si0 2
Source
Analyst
3 13MO-2(5 Al 2 O 3 -12SiO 2 )-llH 2 o| 13MO = 9.25FeO3.75 MgO St. Marcel Damour
THE CLINTONITE GROUP 359
SiO,
Al,0,
CaO
Na 2 O
H,0
MgO
Total
Theory
46.76
26.49
9.70
5.37
11.68
100.00
XV
46.26
26.48
10.00
4.98
13.04
100.76
XVII
46.80
26.50
9.87
5.40
12.30
100.87
XVIII 46.80
26.46
9.08
5.14
12.28
99.76
XIX 47.00
26.13
9.35
5.47
12.25
100.20
XX
47.50
26.10
9.15
4.57
12.80
100.12
XXI
47.40
27.05
9.16
4.69
12.69
0.06
101.05
XXII
46.41
26.24
9.68
4.46
13.76
0.01
100.97
XXIV
46.78
25.66
10.06
4.79
12.31
99.60
XXV
47.46
25.35
10.04
4.87
12.41
100.13
XXVII
47.13
26.52
10.36
4.50
12.59
101.12
XXVIII
45.96
26.69
9.48
5.09
12.78
100.00
XXIX
46.66
26.48
9.63
4.83
12.25
99.85
XXX
46.71
26.68
9.55
5.68
11.42
100.04
XXXI
45.89
27.55
9.13
5.09
12.79
0.48 K 2
100.93
XXXVI
46.74
25.99
9.11
5.23
12.41
99.48
Theory
43.39
24.59
12.37
3.73
15.92
_
100.00
XXXIII
43.29
25.02
12.15
3.40
16.01
99.87
Glintonite Group *
Clintonite group conform to the following types :
G. Sl
= 7.5 R0 6 Si0
23
H. R Si R S A i R = 8 R 2 3 12 Si0 2 ,
Jk
J. SI^-R = 9R 2 3 - 6Si0 2 ,
X R
K. R Si R Si R = 9 R 2 3 12 Si0 2 .
or the general formula
m MO 2 (5 R 2 3 6 Si0 2 ) n H 2 0.
SiO,
A1 2 0,
Fe,0,
FeO
MnO
MgO
CaO
H,O Total
Theory
IX
26.74
25.75
37.89
37.50
~
21.40
21.00
z
5.94
6.20
-
8.03
7.80
100.00
98.25
Theory
XXXI
26.12
26.30
36.99
37.10
~
26.11
25.92
1.28
0.93
3.62
3.66
-
5.88
6.10
100.00
100.01
or the general formula
m MO 2 (5 R 2 3 12.Si0 2 ) n H 2 0.
SiO,
A1 2 8
Fe 2 0,
FeO
MnO
MgO
CaO
H 2
* Known in Germany as the Sprodglimmer or "brittle micas."
Total
Theory
XI
26.23 37.27
25.50 38.13
24.27
23.58
5.11
5.19
7.22
6.90
100.00
99.30
360
THE CLINTONITE GROUP
C. Compounds of the type
R- Si R = 6R 2 3 6Si0 2
Source
4
10 MO 2(6 B 2 O 3 6 SiO 2 ) - 10 H 2 O
10MO = 7FeO-3MgO
12 R 2 3 = 8.75 A1 2 3 3.25 Fe 2 O 3
Kossoibrod.
5
6
11 MO 2(6 R 2 3 6 Si0 2 ) 10 H 2 O
11 MO 2(6 R 2 O 3 6 Si0 2 ) 10 H 2 O
11 MO = 5 MgO 5.5 FeO 0.5 CaO
12 R 2 3 = 11.25 A1 2 3 0.75 Fe 2 O 3
11 MO = 4.75 MgO 0.25 MnO 5.5 FeO
0.5 CaO 12 R 2 O 3 = 11.5 A1 2 O 3 0.5 Fe 2 O 3
St. Marcel
Shetland
7
11 MO - 2(6 A1 2 3 6 Si0 2 )- 12 H 2 O
HMO = llFeO
St. Marcel.
8
12MO-2(6Al 2 3 -6Si0 2 )
12MO = 12FeO
Kossoibrod.
9
12 MO 2(6 A1 2 O 3 6 SiO 2 )- 10 H 2 O
12 MO = 1 1.5 FeO 0.5 H 2 O
Gumuch-Dagh
10
11
12 MO 2(6 A1 2 O 3 - 6 SiO 2 ) 10 H 2 O
12 MO 2(6 A1 2 O 3 - 6 SiO 2 ) - 12 H 2 O
12 MO = 10.5 FeO 1.5 MgO
12 MO = 7.75 FeO 4.25 MgO
Grippe, He de
Groix
Zermatt.
12
12 MO 2(6 A1 2 O 3 - 6 SiO 2 ) 12 H 2 O
12 MO = 9.75 FeO 2.25 MgO
Pregratten.
13
13 MO 2(6 A1 2 O 3 - 6 SiO 2 ) 12 H 2 O
13 MO = 11.75 FeO 0.75 MgO 0.25 MnO
0.25 CaO
Gumuch-Dagh.
14
13 MO - 2(6 A1 2 3 - 6 SiO 2 ) 12 H 2 O
13 MO = 11. 75 FeO -0.75 MgO -0.25 MnO
0.25 CaO
Gumuch-Dagh.
15
13 MO 2(6 A1 2 O 3 - 6 SiO 3 ) 12 H 2 O
13 MO = 7.5 FeO 0.5 MnO 5 MgO
Shetland.
16
15 MO - 2(6 A1 2 O 3 - 6 SiO 2 ) 11 H 2 O
15MO = 12FeO-3MgO
Kossoibrod.
D. Compounds of the type
R Si Si R =6 R 2 3 12 Si0 2
Source
Analyst
17
18
10MO-2(6R 2 O 3 *12SiO 2 )-
19MO-2(6Al 2 3 -12SiO 2 )
8H 2
14H 2
10 MO = 6 FeO 3 MnO 0.5 MgO
0.5 CaO 12 R 2 O 3 =11 A1 2 O 3 1 Fe 2 O 3
19 MO = 15.5 FeO 3.5 MnO
Lierneux
Natic,Rh.
Island
Renard
Jackson
E. Compounds of the type
Si Al Si Al- Si = 6 A1 2 3 16 Si0 2
Source
Analyst
19 13MO-2(6Al 2 O 3 -16SiO 2 )-12H 2 O 13 MO = 12.5 FeO 0.5 MgO
Venasque
Damour
THE CLINTONITE GROUP
361
or the general formula
m MO 2 (6 R 2 3 6 Si0 2 ) n H 2 0.
Analyst
| Si0 8
A1 2 8
Fe a 3
FeO
MnO
MgO
CaO
H,0
Total
Hermann
Theory
XXVI
24.52
24.54
30.39
30.72
17.71
17.28
17.17
17.30
,
4.08
3.75
6.13
6.38
100.00
99.97
Suida
Theory
X
25.79
26.03
41.11
42.33
4.29
4.09
14.19
14.32
__
7.16
7.30
1.00
0.35
6.46
6.56
100.00
100.98
Heddle
Theory
XXI
25.91
25.36
42.21
41.74
2.87
3.90
14.05
13.93
0.64
0.92
6.84
6.82
1.00
0.90
6.48
6.57
100.00
100.14
Delesse
Theory
VIII
24.39
24.10
41.47
40.71
~
26.83
27.10
z
~
7.31
7.24
100.00
99.15
Erdmann
Theory
XXIV
25.64
24.96
43.59
43.83
~
30.77
31.21
~
~
~
100.00
100.00
Smith
Theory
XXVIII
24.41
24.10
41.50
39.80
27.69
27.55
0.30
(K 2 O+Na 2 O)
6.40
6.50
100.00
98.25
Renard
Theory
XIII
24.59
24.90
41.78
40.36
25.45
26.17
___
2.05
2.54
-
6.13
6.23
100.00
100.23
Damour
Theory
VI
24.93
24.40
42.38
42.80
19.33
19.17
5.88
6.17
7.48
6.90
100.00
99.44
A. Sipocz
Theory
IV
24.39
24.90
41.46
40.99
0.55
23.78
24.28
3.05
3.33
7.32
7.82
100.00
101.87
L. Smith
Theory
XXIX
23.47
23.94
39.90
39.52
27.58
28.05
0.58
0.52
0.98
0.80
0.46
0.45
7.03
7.08
100.00
100.36
L. Smith
Theory
XXX
23.47
23.20
39.90
40.21
27.58
27.25
0.58
0.98
0.95
0.46
0.83
7.03
6.97
100.00
99.41
Heddle
Theory
XX
24.53
24.47
41.70
41.34
0.38
18.40
18.52
1.21
0.91
6.81
6.80
0.30
7.35
6.98
100.00
99.70
Kobell
Theory
XXVII
23.03
23.01
39.15
40.26
27.64
27.40
3.84
3.97
6.34
6.34
100.00
100.98
or the general formula
m MO 2 (6 R 2 3 12 Si0 2 ) n H 2 0.
SiO,
A1 2 3
Fe 2 8
FeO
MnO | MgO
CaO
H 2
Total
Theory
XVIII
40.52
40.55
31.58
30.80
4.50
3.82
11.99
12.46
5.99
6.51
0.57
0.45
0.79
1.29
4.06
4.12
100.00
100.00
Theory
XXXII
33.64
33.20
28.59
29.00
26.07
25.93
5.81
6.00
0.24
__
5.89
5.60
100.00
99.97
or the general formula
m MO 2 (6 R 2 O 3 16 Si0 2 ) n H 2 0.
SiO,
A1 2 0,
Fe 2 0,
FeO
MnO
MgO
CaO
H 2
Total
Theory
XII
44.87
44.79
28.60
29.71
21.03
20.75
0.46
0.62
5.04 1 100.00
4.93 1 100.80
THE CLINTONITE GROUP
F. Compounds of the type
Si ft Si ft Si = 6 R 2 3 18 Si0 2
Source
Analyst
20
17 MO2(6 A1 2 O 8 -18 SiO 2 )-16 H 2 O
17MO = 11.5FeO-5.5MnO
Ottre
Damour
21
17 MO2(6 A1 2 O 8 -18 SiO 2 )-16 H 2 O
17 MO- 11.5 FeO - 5.5 MnO
Ottrf
Damour
G. Compounds of the type
i R = 7.5R 2 O
X R
6Si0
Source
Analyst
22 29 M02(7.5 R 2 O 3 -6 SiO 2 )
12H 2
= 19.75MgO-8.25CaO-lFeO
15R 2 3 =14.5Al 2 3 -0.5Fe 2 3 I
Manzoni
Sipocz
H. Compounds of the type
R Si R Si R = 8 R 2 3 12 Si0 2
Source Analyst
23
24
12MO-2(8R 2 O 3 -12SiO 2 )
12H 2
24 MO-2(8 A1 2 O 8 -12 SiO 2 )
14H 2 O
12MO = 10FeO-2MgO
16R 2 O 3 =llAl 2 3 -5Fe 2 8
24 MO = 24 FeO
Natic, Rh.
Island
Natic, Rh.
Island
Hermann
Whitney
J. Compounds of the type
Source
Analyst
25
26
30MO-2(9R 2 O 3 -6SiO 2 )
6H 2
30MO-2(9R 2 O 3 -6 SiO 8 )
6H 2
30MO = 21.5MgO-8.5CaO
18 R 2 O 3 =17.5 A1 2 O 3 -0.5 Fe 2 O 8
30 MO = 21. 5 MgO-8.5 CaO
18R 2 O 3 = 17.5Al 2 O 3 -0.5Fe 2 O 3
Ural
Ural
G. Wagner
O. Schieffer-
deeker
K. Compounds of the type
R Si 6 Si R = 9 R 2 3 12 Si0 2
Source
Analyst
27
28
29
20 MO-2(9 A1 2 O 3 -12 SiO 2 )
24H 2
22 MO-2(9 A1 2 O 3 -12 SiO 2 )
16H 2 O
25MO-2(9Al 2 O 3 -12SiO 2 )
20 H a O
20 MO = 15.5 FeO-3.5 MgO
0.5 MnO 0.5 CaO
22 MO = 21 FeO- 1 MgO
25 MO = 19.5 FeO 5.5 MgO
Kaisersberg
Hetzschen
Kossoibrod
v. Foullon
Schroder
Bonsdorff
THE CLINTONITE GROUP
or the general formula
m MO 2 (6 R 2 3 18 Si0 2 ) n H 2 O.
363
SiO,
A1,0 S
Fe,0,
FeO
MnO
Mgo
CaO
H,O
Total
Theory
XIV
44.16
43.52
25.04
23.89
__
16.93
16.81
7.98
8.03
___
5.89
5.63
100.00
97.88
Theory
XV
44.16
43.34
25.04
24.63
16.93
16.72
7.98
8.18
z
5.63
5.66
100.00
98.53
or the general formula
m MO 2 (7.5 R 2 O 3 6 SiO 2 ) n H 2 0.
SiO,
A1|0 S
Fe,0,
FeO
MnO
MgO
CaO
H,0
Total
Theory
11*
18.95
18.75
38.94
39.10
2.10
3.24
1.89
1.62
20.80
20.46
12.16
12.14
5.16
5.35
100.00
100.66
or the general formula
m MO 2 (8 R 2 3 12 Si0 2 ) n H 2 O.
SiO,
Al,0,
Fe,0,
FeO
MnO
MgO
CaO
H,0
Total
Theory
XXXIV
32.89
32.68
25.63
26.38
18.28
18.95
16.45
16.17
1.82
1.32
4.93
4.50
100.00
100.00
Theory
XXXIII
28.51
28.27
32.30
32.16
~
34.20
33.72
0.13
4.99
5.00
100.00
99.28
or the general formula
m MO 2 (9 R 2 3 6 Si0 2 ) n H 2 O.
SiO,
Al,0 3
Fe,0,
FeO
MnO
MgO
CaO
H,0
Total
Theory
17.87
44.30
1.99
21.35
11.81
2.68
100.00
Vllf
17.42
44.18
3.53
20.61
11.95
2.61
100.30
Theory
17.87
44.30
1.99
21.35
11.81
2.68
100.00
Vlllf
17.70
43.60
2.90
20.90
11.50
2.50
99.10
or the general formula
m MO 2 (9 R 2 3 12 Si0 2 ) n H 2 O.
SiO,
Al,0,
Fe,0,
FeO MnO
MgO
CaO
H,O
Total
Theory
28.64
36.52
22.20
0.71
2.78
0.56
8.59
100.00
II
28.48
36.86
21.88
0.97
2.80
0.59
8.09
100.36
Theory
28.15
35.89
29.55
0.78
5.63
100.00
I *
28.04
36.19
29.79
1.25
0.20
5.88
100.35
Theory
27.38
34.91
26.69
4.18
6.84
100.00
XXII
27.48
35.57
27.05
0.30
4.29
6.95
101.64
* Brandisite t Xanthophyllite
364
THE MICA GROUP
The
The following analyses of the minerals of the
A. Si R Si = 3 R 2 3 10 SiO 2 ,
B. Si - R Si = 3 R 2 3 12 Si0 2 ,
/Si
C. R-Si = 3 R 2 3 15 Si0 2 ,
D. R-Si = 3 R 2 O 3 18 Si0 2 ,
x s A i
E. R-Si-R = 5R
X Si
A
x s A i
R-Si-R = 5R 2 3 - 6Si0 2 ,
A. Mica of the type
Si R - Si = 3 R 2 3 10 Si0 2
Source
20 MO
2(3R 2 3 -
6H 2 O
10 Si0 2 )
20 MO
6 R 2 3
= 16.5 MgO
= 4.5A1 2 O 3 -
3.5 K 2 O
1.5Fe 2 O 3
Biotite
Chester,
Mass.
B. Mica of the type
S A i R Si = 3 R 2 3 12 Si0 2
Source
6MO-2(3R 2 3 -12Si0 2 )
28MO-2(3R 2 O 3 -12SiO 2 )
6H 2
32 MO 2 (3 A1 2 O 3 12 SiO 2 )
2H 2 O
6MO=1.5FeO-2MgO-2K 2 0-0.5Na 2 O
6R 2 3 =5A1 2 3 -1V 2 3
28 MO = 23 MgO 2 FeO 3 K 2 O
6R 2 O 3 = 5.5 A1 2 O 3 0.5 Fe 2 O 3
32 MO = 26.5 MgO 2.5 K 2 O 3 Na 2 O
Roscoe-
lite
Biotite
Colorado
Moravicza
Edwards,
N.S.
C. Mica of the type
/SI
R~Si = 3R 2 3 - 15Si0 2
X Si
Source
115 MO 2 (3 R 2 O 3 15 SiO 2 )
20 H 2
15 MO = 15 MgO
6 R 2 O 3 = 3.5 Fe 2 O 3 2.5 A1 2 O 3
Biotite
Vermont
D. Mica of the type
A
R; Si = 3 R 2 3 18 Si0 2
Source
39 MO
47 MO
2(3R 2 3 -18Si0 2 )
6H 2
2 (3 A1 2 O 3 18 SiO.)
1H 2 O
39 MO = 32 MgO- 7 K 2 O
6 R 2 O 3 = 3 A1 2 O 3 3 Fe 2 O 3
47MO = 3 FeO 17 MnO 21 MgO
3 CaO 3 K 2
Biotite
Herschenberg
Pajoberg
THE MICA GROUP
365
Mica Group
Mica group conform to the following types :
F. Si R R Si
= 5 R 2 3
12 Si0 2 ,
G. Si -R Si R Si
- 5 R 2 3
18 Si0 2 ,
H. R - Si R
= 6 R 2 3
6Si0 2 ,
J. Si R - R Si
= 6 R 2 3
10 Si0 2 ,
K. S A i R R Si
= 6 R 2 3
12 Si0 2 ,
L. Si R Si R Si
= 6 R 2 3 16 Si0 2 ,
M. Si R Si R Si
= 6 R 2 3
18 Si0 2 ,
N. R Si R Si R
= 9 R 2 O 3 12 Si0 2 ,
0. Si R Si R Si R
T = 9 R 2 S
20 Si0 2 .
of the general formula
m MO 2 (3 R 2 3 10 Si0 2
) n H 2 0.
Analyst SiO 8
A1 2 0, Fe,0 8
FeO CaO MgO K 2 O
Na 2 O H 2 O Total
Pisani Theory 39.95
15.28 7.99
21.97 10.95
3.86 100.00
CLXX 39.55
15.95 7.80
22.25 10.35
4.10 100.00
or the general formula
m MO 2 (3 R 2 3
12 Si0 2 ) n H 2 O.
Analyst
SiO s
Al,0 8
Fe 2 0,
FeO
CaO
MgO
K,0
Na 2
H 2
Total
Genth
Theory-
57.43
56.74
20.34
19.62
6.00V 2 3
7.78V 2 3
4.31
3.84
3.19
2.63
7.50
8.11
1.23
0.94
100.00
99.66
Rumpf
Theory
XLIV
40.73
40.16
15.87
15.79
2.26
2.53
4.07
4.12
~
26.03
26.15
7.98
7.64
0.37
3.06
3.58
100.00
100.34
Crawe
Theory
CLI
40.35
40.36
17.15
16.45
29.70
29.55
6.58
7.23
5.21
4.94
1.01
0.95
100.00
99.48
or the general formula
m MO 2 (3 R 2 3 15 Si0 2 )
nH 2 0.
Analyst
Si0 2
AljO 8 j Fe 2 O 3
FeO
CaO
MgO
K a O
Na 2
H 2 O
Total
Thomson
Theory
CLXXII
50.34
49.08
7.13
7.28
15.67
16.12
16.79
16.96
10.07
10.28
100.00
99.72
or the general formula
m MO 2 (3 R 2 3 18 Si0 2 ) n H 2 0.
Analyst
SiO a
A1.0,
Fe 2 8
FeO
CaO
MgO
K 2 O
NajO
H S O
Total
Bromeis
Theory
XXIII
43.27
42.89
1 6.13
6.09
9.62
10.59
25.64
25.09
13.18
13.15
0.36
2.16
2.30
100.00
100.47
Igelstrom
Theory
CX
38.63
38.50
10.94
11.00
3.86
3.78
3.00
3.20
15.01
15.01
5.04
5.51
21.58MnO
21.40MnO
1.94
1.60
100.00
100.00
366
THE MICA GROUP
E. Micas of the type
R -Si R = 5R 2 3 -6Si0 2
1
Source
8
6.5 MO
2 (5 A1 2 3
6H 2
6 SiO 2 )
6.5MO = 4.5CaO
1.5 FeO -0.5 MgO
Margarite
Peekskill
F. Micas of the type
Si R R Si = 5 R 2 3 12 Si0 2
Source
9
3 MO
2 (5 A1 2 3
12 SiO 2 )
3 MO = 1 FeO 0.5 MgO 1.5 K 2 O
Pinitoid
Weinheim
9H 2
10
5 MO
2(5A1 2 3
12 SiO 2 )
5 MO = 1 MgO- 1.5K 2 O-2.5Na 2 O
Friebenreuth
9H 2
11
6 MO
2 (5 A1 2 3
12 SiO 2 )
6 MO = 2 MgO 3.5 K 2 O 0.5 Na 2 O
Muscovite
Unionville,
8H 2 O
Pensylv.
12
6 MO
2 (5 R 2 O 3
12 SiO 2 )
27.90
9.10
22.81
2.02
99.75
Pargas
Wilk 7
(b) 4 H 2 16 CaO 2.25 Fe 2 O 3 9.75 A1 2 3 24 Si0 2 .
Theory
38.28
26.43
9.57
23.81
1.91
100.00
XIV
37.96
26.35
9.71
23.77
2.02
99.81
Guttannen
Stockar-Escher 8
XV
38.13
26.42
9.74
23.30
2.02
99.61
Guttannen
Stockar-Escher 9
XXXIV
37.87
24.72
9.96
23.10
2.82
0.36
100.14a
Mainland
Heddle 10
(c) 4 H 2 O 16 CaO 2.5 Fe 2 O 3 9.5 A1 2 O 3 24 Si0 2 .
Theory
38.13
25.65
10.59
23.72
1.91
100.00
XIII
38.99
25.75
9.99
23.76
2.05
0.61 MgO
100.16
Guttannen
Scheerer 11
XLI
38.84
25.45
10.88
22.62
2.41
100.20
Arendal
Richter 12
(d) 4 H 2 O 16 CaO 2.75 Fe 2 3 9.25 A1 2 3 24 Si0 2 .
Theory
38.00
24.90
11.60
23.62
1.88
100.00
_ i _
LIII
37.47
24.09
10.60
22.19
2.24
2.81
99.40
Achtenskoi Hermann 1 3
LIX
38.20
24.62
12.20
21.59
2.16
0.57 MnO
99.846
Rowe, Mass. JA. G. Dana 14
(e) 4 H 2 16 CaO 3 Fe 2 3 9 A1 2 3 24 Si0 2 .
Theory
37.84
24.12
12.61
23.54
1.89
100.00
VIII
38.60
23.08
12.34
24.17
1.88
0.95
101.02
Sulzbachtal
Mauthner 15
IX
36.90
24.36
12.40
23.54
2.01
0.72
lOO.OOe
Sulzbachtal
Laspeyres 18
XXXII
38.26
24.75
11.07
23.63
2.26
0.56
100.53
Quenast
Renard 17
XXXVII
37.32
22.85
11.56
22.13
2.93
1.86
99.32d
Arendal
Hermann 18
a Inch 0.54 MnO 0.77 MgO.
6 Inol. 0.07 MnO.
* For references see p. 438.
c. Inch 0.13 MgO 0.37 Alkalies.
d Incl. 0.77 MgO.
THE GRANITES
355
SiO,
A1.0,
Fe 2 8
CaO
HO
FeO
Total
Source
Analyst
(f) 4 H 2 O 16 CaO 3.25 Fe 2 O 3 8.75 A1 2 O 3 24 Si0 2 .
Theory
37.70
23.37
13.601 23.45
1.881
100.00
IV
38.37
22.09
13.77 22.90
2.11
99.24
Sulzbachtal
v. Drasche 19
VI
37.83
23.43
13.3l| 23.47
2.06| 0.48
100.58
Sulzbachtal
Ludwig 80
(g) 4 H 2 16 CaO - 3.5 Fe 2 O 3 8.5 A1 2 O 3 24 Si0 2 .
Theory
37.55
22.61
14.60
23.36
1.88
100.00
V
XXX
LVIII
37.83
36.71
37.04
22.63
22.61
22.99
14.02
14.47
14.19
23.27
23.67
24.09
2.05
1.92
2.16
0.93
0.62
100.73
100.00
100.47
Sulzbachtal
"Bourg d'Osians"
Hereroland
Ludwig 21
Laspeyres 22
Wulf 23
(h) 4 H 2 16 CaO 3.75 Fe 2 3 8.25 A1 2 O 3 24 Si0 2 .
Theory
37.40
21.861 15,59
23.28
1.87
100.00
VII
37.11
21.90| 16,00
23.19
2.03
100.23
Sulzbachtal
Rammelsberg 24
(i) 4 H 2 16 CaO 4 Fe 2 O 3 8 A1 2 3 24 Si0 2 .
Theory
37.27
21.11 16.56 23.1911.87
__
100.00 _
XXIII
37.65
20.64
16.50
22.32 2.06
0.49MnO
100.12
Traversella
Scheerer 25
XXVIII
XXIX
XXXVII
XL
37.56
37.35
38.76
37.59
20.78
22.02
20.36
20.73
16.49
15.67
16.35
16.57
22.70
22.54i
23.71
22.64
2.09
2.35
2.00
2.11
0.29 MgO
0.44 MgO
0.41 MgO
99.91
99.93
101.67
100.05
"Bourg d'Osians"
"Bourg d'Osians"
Arendal
Arendal
Scheerer 26
Stockar-Escher 27
Rammelsberg 2 8
Scheerer* 9
The Granite Group
A number of Granites examined by K. H. Schneer may be expressed by
the general formula :
18 RO 6 R 2 3 18 Si0 2 and 16 RO 6 R 2 3 16 Si0 2
as may be ascertained from the following Table :
% Molecules
No.
CaO
FeO
MnO
A1.0,
Fe 2 0,
SiO a
H,0 || CaO
FeO
MnO
A1.0,
Fe,0,|siO,|H,O
Theory
33.25
1.22
6.92
21.72
36.89
1
33.59
1.17
7.44
20.94
36.56
17.5
0.5
2
4
18
Theory
32.12
1.82
0.60
6.88
21.59
36.68
0.31
2
32.36
1.91
0.48
7.35
21.58
36.33
0.48
17
0.75
0.25
2
4
18
0.5
Theory
32.12
2.43
6.88
21.59
36.68
0.30
3
31.51
2.88
7.07
22.51
35.97
0.25
17
1
2
4
18
0.5
Theory
33.52
1.25
0.61
12.39
13.88
37.73
0.62
4
33.55
1.68
0.28
11.99
14.79
37.53
0.48
17.25
0.5
0.25
3.5
2.5
18
1
Theory
34.22
1.25
13.36
12.57
37.96
0.64
5
34.01
1.71
0.54
13.29
13.01
37.52
0.53
17.5
0.5
3.75
2.25
18
1
Theory
32.46
3.85
16.37
8.56
38.76
6
31.98
4.46
0.57
16.29
8.73
37.96
0.22
16.25
1.75
4.5
1.5
18
Theory
32.05
2.74
13.72
14.60
36.89
7
32.73
2.54
13.73
14.03
37.18
15
1
3.75
2.25
16
356
THE MESOLITES
The
The following analyses of the
(a) S Al - Si Al S = 6 A1 2 3 15 Si0 2 ,
(b) Si Al Si Al Si = 6 A1 2 3 16 Si0 2 ,
(a) Mesolites of the type
Sf Al Si Al Si = 6 A1 2 3 15 Si0 2 ,
Source
Analyst
1
9 MO
2(6A1 2 O 3 -
15 SiO 2 )
36H 2 O
9MO = 3Na 2
6CaO
Antrimolite
Bengune
Thomson
2
11 MO
2 (6 A1 2 O 3
15SiO 2 )
26H 2 O
HMO = 5Na 2 O
6CaO
Eisenach
Luedecke
(b) Mesolites of the type
Si -Al - Si Al Si = 6 A1 2 3 16 Si0 2
Source
Analyst
3
10 MO - 2 (6 A1 2 O 3 16 SiO 2 ) 30 H 2 O
10MO=4Na 2 O-6CaO
Sandy Cove, N.S.
Marsh
4
11 MO 2 (6 A1 2 O 3 16 SiO 2 ) 40 H 2 O
HMO = 5Na 2 O-6CaO
Caranja Isle
Thomson
5
12 MO 2 (6 A1 2 O 3 16 SiO 2 ) 24 H 2 O
12MO = 4Na 2 O-8CaO
Harringtonite
Thomson
(c) Mesolites of the type
Si Al Si Al - Si = 6 A1 2 3 17 Si0 2
Source
Analyst
6
9 MO 2 (6 A1 2 O 3 17 SiO 2 ) 32 H 2 O
9 MO = 2 Na 2 O 7 CaO Iceland
Fuchs & Gehlen
7
11 MO 2 (6 A1 2 O 3 17 SiO 2 ) 30H 2 O
1 1 MO = 4 Na 2 O 7 CaO Iceland
Breidenstein
(d) Mesolites of the type
Si Al Si Al Si = 6 A1 2 3 18 Si0 2
1
Source
Analyst
8
12 MO- 2(6 A1 2 O 3 - 18 SiO 2 ) 30H 2 O
12MO = 4 Na 2 O 8 CaO
Niederkirchen
Riegel
9
10
11
12
13
99 99 99
99 99 99
99 99 99
99 99 99
99 9
99 9
99 9
99 9
99 9
Tirol
Antrimolite /
Bengune \
Skye
Skye
Fuchs & Gehlen
Heddle
Heddle
Heddle
Heddle
THE MESOLITES
357
Mesolites
Mesolites conform to the following types :
(c) Si Al Si Al Si = 6 A1 2 3
(d) Si Ai S*i Al Si = 6 A1 2 3
or the general formula
m MO 2 (6 A1 2 3 15 Si0 2 ) n H 2 0.
17 SiO,
18 SiO,
SiO,
Al,0,
CaO
Na,0
H,0
MgO
Total
Theory
VII
42.92
43.47
29.18
30.26
8.01
7.50
4.43
4.10*
15.46
15.32
0.19 FeO
100.00
100.94
Theory
II
43.50
43.83
29.57
29.04
8.12
7.84
7.49
7.80
11.31
11.75
z
100.00
100.26
or the general formula
m MO 2 (6 A1 2 3 16 Si0 2 )
nHoO.
Si0 2
A1,0 S
CaO
Na a O
H,0
MgO
Total
Theory
XXXII
44.98
45.39
28.68
28.09
7.87
7.55
5.81
5.28
12.66
12.71
0.49 K 2 O
100.00
99.51
Theory
XXXIX
42.58
42.70
27.14
27.50
7.45
7.61
6.87
7.00
15.96
14.71
100.00
99.52
Theory
XI
44.95
44.84
28.65
28.48
11.21
10.68
5.80
5.56
10.11
10.28
100.00
99.84
or the general formula
m MO 2 (6 R 2 3 17 Si0 2 )
nHoO.
SiO,
Al,0 8
CaO
Na,0 | H,0
MgO
Total
Theory
XXVI
46.83
46.58
28.10
27.57
9.00
9.10
2.84
3.64
13.83
13.17
0.03
100.00
100.14
Theory
XXIII
45.90
45.78
27.54
27.53
8.82
9.00
5.58
5.03
12.15
12.30
0.31 K,O
100.00
100.13
or the general formula
m MO 2 (6 A1 2 3 18 SiO 2 ) n H 2 O.
SiO,
Al,0,
CaO
Na,0
H,0
MgO
Total
Theory
V
VIII
IX
XIII
XIV
46.76
46.65
46.04
47.07
45.98
46.70
46.72
26.49
27.40
27.00
26.23
26.18
26.62
26.70
9.70
9.26
9.61
9.88
10.78
9.08
8.90
5.37
4.91
5.20
4.89
4.54
5.39
5.40
11.68
12.00
12.36
12.24
13.00
12.83
12.92
100.00
100.22
100.21
100.31
100.48
100.63
100.64
* Determined by Thomson as K a O.
358
THE CLINTONITES
Source
Analyst
12MO2(6A1 2 O S -18 SiO 2 )-30H 2 O
12MO = 4Na 2 O-8CaO
14
Skye
Heddle
15
NaalsjO
Berzelius
16
NaalsjS
Heddle
17
Naalsjo
Fuchs and Gehlen
18
Naalsjo
Durscher
19
StromO
E. E. Schmid
20
Berufjord
S. v. Waltershausen
21
Iceland
Fuchs and Gehlen
22
Iceland
Fuchs and Gehlen
23
Iceland
E. E. Schmid
24
Iceland
Lemberg
25
Port George, N.S.
How
26
Port George, N.S.
How
27
Cape Blomidon
Marsh
28
Atacama, Chili
Darapsky
29
14MO2(6 Al 2 O 8 -18SiO 2 H4H 2 O
14MO = 3Na 2 0-llCaO
Fritz Island, Pa.
Sadtler
The
The following analyses of the minerals of the
= 5R,O a - 6Si0 2 ,
12 Si0 2 ,
6 Si0 2 ,
12 Si0 2 ,
Si = 6 R,0 a 16 Si0 2 ,
18 Si0 2 .
A.
B.
C.
D.
E.
F.
R
R
R
R
Si
Si
&
si-
Si-
Si-
R.
R.
R
Si
R
Si
Si
Si
R
R
R
-R
2 ^3
= 5R 2 3
= 6 R 2 3
- 6 R 2 3
6R 2 3
6R 0,
A. Compounds of the type
R . Si R = 5 R 2 3 6 Si0 2
j
Source
Analyst
1
12M02 (5 Al 2 3 -6Si0 2 )-12H 2
12MO = 8FeO -4MgO
St. Marcel
Kobell
2
13MO-2 (5 Al 2 O 3 -6 SiO 2 )-9 H 2 O
13MO = 10FeO-2.5 MgO-0.5 MnO
Leeds, Canada
Hunt
B. Compounds of the type
R si Si R = 5 R 2 3 12 Si0 2
Source
Analyst
3 13MO-2(5 Al 2 O 3 -12SiO 2 )-llH 2 o| 13MO = 9.25FeO3.75 MgO St. Marcel Damour
THE CLINTONITE GROUP 359
SiO,
Al,0,
CaO
Na 2 O
H,0
MgO
Total
Theory
46.76
26.49
9.70
5.37
11.68
100.00
XV
46.26
26.48
10.00
4.98
13.04
100.76
XVII
46.80
26.50
9.87
5.40
12.30
100.87
XVIII 46.80
26.46
9.08
5.14
12.28
99.76
XIX 47.00
26.13
9.35
5.47
12.25
100.20
XX
47.50
26.10
9.15
4.57
12.80
100.12
XXI
47.40
27.05
9.16
4.69
12.69
0.06
101.05
XXII
46.41
26.24
9.68
4.46
13.76
0.01
100.97
XXIV
46.78
25.66
10.06
4.79
12.31
99.60
XXV
47.46
25.35
10.04
4.87
12.41
100.13
XXVII
47.13
26.52
10.36
4.50
12.59
101.12
XXVIII
45.96
26.69
9.48
5.09
12.78
100.00
XXIX
46.66
26.48
9.63
4.83
12.25
99.85
XXX
46.71
26.68
9.55
5.68
11.42
100.04
XXXI
45.89
27.55
9.13
5.09
12.79
0.48 K 2
100.93
XXXVI
46.74
25.99
9.11
5.23
12.41
99.48
Theory
43.39
24.59
12.37
3.73
15.92
_
100.00
XXXIII
43.29
25.02
12.15
3.40
16.01
99.87
Glintonite Group *
Clintonite group conform to the following types :
G. Sl
= 7.5 R0 6 Si0
23
H. R Si R S A i R = 8 R 2 3 12 Si0 2 ,
Jk
J. SI^-R = 9R 2 3 - 6Si0 2 ,
X R
K. R Si R Si R = 9 R 2 3 12 Si0 2 .
or the general formula
m MO 2 (5 R 2 3 6 Si0 2 ) n H 2 0.
SiO,
A1 2 0,
Fe,0,
FeO
MnO
MgO
CaO
H,O Total
Theory
IX
26.74
25.75
37.89
37.50
~
21.40
21.00
z
5.94
6.20
-
8.03
7.80
100.00
98.25
Theory
XXXI
26.12
26.30
36.99
37.10
~
26.11
25.92
1.28
0.93
3.62
3.66
-
5.88
6.10
100.00
100.01
or the general formula
m MO 2 (5 R 2 3 12.Si0 2 ) n H 2 0.
SiO,
A1 2 8
Fe 2 0,
FeO
MnO
MgO
CaO
H 2
* Known in Germany as the Sprodglimmer or "brittle micas."
Total
Theory
XI
26.23 37.27
25.50 38.13
24.27
23.58
5.11
5.19
7.22
6.90
100.00
99.30
360
THE CLINTONITE GROUP
C. Compounds of the type
R- Si R = 6R 2 3 6Si0 2
Source
4
10 MO 2(6 B 2 O 3 6 SiO 2 ) - 10 H 2 O
10MO = 7FeO-3MgO
12 R 2 3 = 8.75 A1 2 3 3.25 Fe 2 O 3
Kossoibrod.
5
6
11 MO 2(6 R 2 3 6 Si0 2 ) 10 H 2 O
11 MO 2(6 R 2 O 3 6 Si0 2 ) 10 H 2 O
11 MO = 5 MgO 5.5 FeO 0.5 CaO
12 R 2 3 = 11.25 A1 2 3 0.75 Fe 2 O 3
11 MO = 4.75 MgO 0.25 MnO 5.5 FeO
0.5 CaO 12 R 2 O 3 = 11.5 A1 2 O 3 0.5 Fe 2 O 3
St. Marcel
Shetland
7
11 MO - 2(6 A1 2 3 6 Si0 2 )- 12 H 2 O
HMO = llFeO
St. Marcel.
8
12MO-2(6Al 2 3 -6Si0 2 )
12MO = 12FeO
Kossoibrod.
9
12 MO 2(6 A1 2 O 3 6 SiO 2 )- 10 H 2 O
12 MO = 1 1.5 FeO 0.5 H 2 O
Gumuch-Dagh
10
11
12 MO 2(6 A1 2 O 3 - 6 SiO 2 ) 10 H 2 O
12 MO 2(6 A1 2 O 3 - 6 SiO 2 ) - 12 H 2 O
12 MO = 10.5 FeO 1.5 MgO
12 MO = 7.75 FeO 4.25 MgO
Grippe, He de
Groix
Zermatt.
12
12 MO 2(6 A1 2 O 3 - 6 SiO 2 ) 12 H 2 O
12 MO = 9.75 FeO 2.25 MgO
Pregratten.
13
13 MO 2(6 A1 2 O 3 - 6 SiO 2 ) 12 H 2 O
13 MO = 11.75 FeO 0.75 MgO 0.25 MnO
0.25 CaO
Gumuch-Dagh.
14
13 MO - 2(6 A1 2 3 - 6 SiO 2 ) 12 H 2 O
13 MO = 11. 75 FeO -0.75 MgO -0.25 MnO
0.25 CaO
Gumuch-Dagh.
15
13 MO 2(6 A1 2 O 3 - 6 SiO 3 ) 12 H 2 O
13 MO = 7.5 FeO 0.5 MnO 5 MgO
Shetland.
16
15 MO - 2(6 A1 2 O 3 - 6 SiO 2 ) 11 H 2 O
15MO = 12FeO-3MgO
Kossoibrod.
D. Compounds of the type
R Si Si R =6 R 2 3 12 Si0 2
Source
Analyst
17
18
10MO-2(6R 2 O 3 *12SiO 2 )-
19MO-2(6Al 2 3 -12SiO 2 )
8H 2
14H 2
10 MO = 6 FeO 3 MnO 0.5 MgO
0.5 CaO 12 R 2 O 3 =11 A1 2 O 3 1 Fe 2 O 3
19 MO = 15.5 FeO 3.5 MnO
Lierneux
Natic,Rh.
Island
Renard
Jackson
E. Compounds of the type
Si Al Si Al- Si = 6 A1 2 3 16 Si0 2
Source
Analyst
19 13MO-2(6Al 2 O 3 -16SiO 2 )-12H 2 O 13 MO = 12.5 FeO 0.5 MgO
Venasque
Damour
THE CLINTONITE GROUP
361
or the general formula
m MO 2 (6 R 2 3 6 Si0 2 ) n H 2 0.
Analyst
| Si0 8
A1 2 8
Fe a 3
FeO
MnO
MgO
CaO
H,0
Total
Hermann
Theory
XXVI
24.52
24.54
30.39
30.72
17.71
17.28
17.17
17.30
,
4.08
3.75
6.13
6.38
100.00
99.97
Suida
Theory
X
25.79
26.03
41.11
42.33
4.29
4.09
14.19
14.32
__
7.16
7.30
1.00
0.35
6.46
6.56
100.00
100.98
Heddle
Theory
XXI
25.91
25.36
42.21
41.74
2.87
3.90
14.05
13.93
0.64
0.92
6.84
6.82
1.00
0.90
6.48
6.57
100.00
100.14
Delesse
Theory
VIII
24.39
24.10
41.47
40.71
~
26.83
27.10
z
~
7.31
7.24
100.00
99.15
Erdmann
Theory
XXIV
25.64
24.96
43.59
43.83
~
30.77
31.21
~
~
~
100.00
100.00
Smith
Theory
XXVIII
24.41
24.10
41.50
39.80
27.69
27.55
0.30
(K 2 O+Na 2 O)
6.40
6.50
100.00
98.25
Renard
Theory
XIII
24.59
24.90
41.78
40.36
25.45
26.17
___
2.05
2.54
-
6.13
6.23
100.00
100.23
Damour
Theory
VI
24.93
24.40
42.38
42.80
19.33
19.17
5.88
6.17
7.48
6.90
100.00
99.44
A. Sipocz
Theory
IV
24.39
24.90
41.46
40.99
0.55
23.78
24.28
3.05
3.33
7.32
7.82
100.00
101.87
L. Smith
Theory
XXIX
23.47
23.94
39.90
39.52
27.58
28.05
0.58
0.52
0.98
0.80
0.46
0.45
7.03
7.08
100.00
100.36
L. Smith
Theory
XXX
23.47
23.20
39.90
40.21
27.58
27.25
0.58
0.98
0.95
0.46
0.83
7.03
6.97
100.00
99.41
Heddle
Theory
XX
24.53
24.47
41.70
41.34
0.38
18.40
18.52
1.21
0.91
6.81
6.80
0.30
7.35
6.98
100.00
99.70
Kobell
Theory
XXVII
23.03
23.01
39.15
40.26
27.64
27.40
3.84
3.97
6.34
6.34
100.00
100.98
or the general formula
m MO 2 (6 R 2 3 12 Si0 2 ) n H 2 0.
SiO,
A1 2 3
Fe 2 8
FeO
MnO | MgO
CaO
H 2
Total
Theory
XVIII
40.52
40.55
31.58
30.80
4.50
3.82
11.99
12.46
5.99
6.51
0.57
0.45
0.79
1.29
4.06
4.12
100.00
100.00
Theory
XXXII
33.64
33.20
28.59
29.00
26.07
25.93
5.81
6.00
0.24
__
5.89
5.60
100.00
99.97
or the general formula
m MO 2 (6 R 2 O 3 16 Si0 2 ) n H 2 0.
SiO,
A1 2 0,
Fe 2 0,
FeO
MnO
MgO
CaO
H 2
Total
Theory
XII
44.87
44.79
28.60
29.71
21.03
20.75
0.46
0.62
5.04 1 100.00
4.93 1 100.80
THE CLINTONITE GROUP
F. Compounds of the type
Si ft Si ft Si = 6 R 2 3 18 Si0 2
Source
Analyst
20
17 MO2(6 A1 2 O 8 -18 SiO 2 )-16 H 2 O
17MO = 11.5FeO-5.5MnO
Ottre
Damour
21
17 MO2(6 A1 2 O 8 -18 SiO 2 )-16 H 2 O
17 MO- 11.5 FeO - 5.5 MnO
Ottrf
Damour
G. Compounds of the type
i R = 7.5R 2 O
X R
6Si0
Source
Analyst
22 29 M02(7.5 R 2 O 3 -6 SiO 2 )
12H 2
= 19.75MgO-8.25CaO-lFeO
15R 2 3 =14.5Al 2 3 -0.5Fe 2 3 I
Manzoni
Sipocz
H. Compounds of the type
R Si R Si R = 8 R 2 3 12 Si0 2
Source Analyst
23
24
12MO-2(8R 2 O 3 -12SiO 2 )
12H 2
24 MO-2(8 A1 2 O 8 -12 SiO 2 )
14H 2 O
12MO = 10FeO-2MgO
16R 2 O 3 =llAl 2 3 -5Fe 2 8
24 MO = 24 FeO
Natic, Rh.
Island
Natic, Rh.
Island
Hermann
Whitney
J. Compounds of the type
Source
Analyst
25
26
30MO-2(9R 2 O 3 -6SiO 2 )
6H 2
30MO-2(9R 2 O 3 -6 SiO 8 )
6H 2
30MO = 21.5MgO-8.5CaO
18 R 2 O 3 =17.5 A1 2 O 3 -0.5 Fe 2 O 8
30 MO = 21. 5 MgO-8.5 CaO
18R 2 O 3 = 17.5Al 2 O 3 -0.5Fe 2 O 3
Ural
Ural
G. Wagner
O. Schieffer-
deeker
K. Compounds of the type
R Si 6 Si R = 9 R 2 3 12 Si0 2
Source
Analyst
27
28
29
20 MO-2(9 A1 2 O 3 -12 SiO 2 )
24H 2
22 MO-2(9 A1 2 O 3 -12 SiO 2 )
16H 2 O
25MO-2(9Al 2 O 3 -12SiO 2 )
20 H a O
20 MO = 15.5 FeO-3.5 MgO
0.5 MnO 0.5 CaO
22 MO = 21 FeO- 1 MgO
25 MO = 19.5 FeO 5.5 MgO
Kaisersberg
Hetzschen
Kossoibrod
v. Foullon
Schroder
Bonsdorff
THE CLINTONITE GROUP
or the general formula
m MO 2 (6 R 2 3 18 Si0 2 ) n H 2 O.
363
SiO,
A1,0 S
Fe,0,
FeO
MnO
Mgo
CaO
H,O
Total
Theory
XIV
44.16
43.52
25.04
23.89
__
16.93
16.81
7.98
8.03
___
5.89
5.63
100.00
97.88
Theory
XV
44.16
43.34
25.04
24.63
16.93
16.72
7.98
8.18
z
5.63
5.66
100.00
98.53
or the general formula
m MO 2 (7.5 R 2 O 3 6 SiO 2 ) n H 2 0.
SiO,
A1|0 S
Fe,0,
FeO
MnO
MgO
CaO
H,0
Total
Theory
11*
18.95
18.75
38.94
39.10
2.10
3.24
1.89
1.62
20.80
20.46
12.16
12.14
5.16
5.35
100.00
100.66
or the general formula
m MO 2 (8 R 2 3 12 Si0 2 ) n H 2 O.
SiO,
Al,0,
Fe,0,
FeO
MnO
MgO
CaO
H,0
Total
Theory
XXXIV
32.89
32.68
25.63
26.38
18.28
18.95
16.45
16.17
1.82
1.32
4.93
4.50
100.00
100.00
Theory
XXXIII
28.51
28.27
32.30
32.16
~
34.20
33.72
0.13
4.99
5.00
100.00
99.28
or the general formula
m MO 2 (9 R 2 3 6 Si0 2 ) n H 2 O.
SiO,
Al,0 3
Fe,0,
FeO
MnO
MgO
CaO
H,0
Total
Theory
17.87
44.30
1.99
21.35
11.81
2.68
100.00
Vllf
17.42
44.18
3.53
20.61
11.95
2.61
100.30
Theory
17.87
44.30
1.99
21.35
11.81
2.68
100.00
Vlllf
17.70
43.60
2.90
20.90
11.50
2.50
99.10
or the general formula
m MO 2 (9 R 2 3 12 Si0 2 ) n H 2 O.
SiO,
Al,0,
Fe,0,
FeO MnO
MgO
CaO
H,O
Total
Theory
28.64
36.52
22.20
0.71
2.78
0.56
8.59
100.00
II
28.48
36.86
21.88
0.97
2.80
0.59
8.09
100.36
Theory
28.15
35.89
29.55
0.78
5.63
100.00
I *
28.04
36.19
29.79
1.25
0.20
5.88
100.35
Theory
27.38
34.91
26.69
4.18
6.84
100.00
XXII
27.48
35.57
27.05
0.30
4.29
6.95
101.64
* Brandisite t Xanthophyllite
364
THE MICA GROUP
The
The following analyses of the minerals of the
A. Si R Si = 3 R 2 3 10 SiO 2 ,
B. Si - R Si = 3 R 2 3 12 Si0 2 ,
/Si
C. R-Si = 3 R 2 3 15 Si0 2 ,
D. R-Si = 3 R 2 O 3 18 Si0 2 ,
x s A i
E. R-Si-R = 5R
X Si
A
x s A i
R-Si-R = 5R 2 3 - 6Si0 2 ,
A. Mica of the type
Si R - Si = 3 R 2 3 10 Si0 2
Source
20 MO
2(3R 2 3 -
6H 2 O
10 Si0 2 )
20 MO
6 R 2 3
= 16.5 MgO
= 4.5A1 2 O 3 -
3.5 K 2 O
1.5Fe 2 O 3
Biotite
Chester,
Mass.
B. Mica of the type
S A i R Si = 3 R 2 3 12 Si0 2
Source
6MO-2(3R 2 3 -12Si0 2 )
28MO-2(3R 2 O 3 -12SiO 2 )
6H 2
32 MO 2 (3 A1 2 O 3 12 SiO 2 )
2H 2 O
6MO=1.5FeO-2MgO-2K 2 0-0.5Na 2 O
6R 2 3 =5A1 2 3 -1V 2 3
28 MO = 23 MgO 2 FeO 3 K 2 O
6R 2 O 3 = 5.5 A1 2 O 3 0.5 Fe 2 O 3
32 MO = 26.5 MgO 2.5 K 2 O 3 Na 2 O
Roscoe-
lite
Biotite
Colorado
Moravicza
Edwards,
N.S.
C. Mica of the type
/SI
R~Si = 3R 2 3 - 15Si0 2
X Si
Source
115 MO 2 (3 R 2 O 3 15 SiO 2 )
20 H 2
15 MO = 15 MgO
6 R 2 O 3 = 3.5 Fe 2 O 3 2.5 A1 2 O 3
Biotite
Vermont
D. Mica of the type
A
R; Si = 3 R 2 3 18 Si0 2
Source
39 MO
47 MO
2(3R 2 3 -18Si0 2 )
6H 2
2 (3 A1 2 O 3 18 SiO.)
1H 2 O
39 MO = 32 MgO- 7 K 2 O
6 R 2 O 3 = 3 A1 2 O 3 3 Fe 2 O 3
47MO = 3 FeO 17 MnO 21 MgO
3 CaO 3 K 2
Biotite
Herschenberg
Pajoberg
THE MICA GROUP
365
Mica Group
Mica group conform to the following types :
F. Si R R Si
= 5 R 2 3
12 Si0 2 ,
G. Si -R Si R Si
- 5 R 2 3
18 Si0 2 ,
H. R - Si R
= 6 R 2 3
6Si0 2 ,
J. Si R - R Si
= 6 R 2 3
10 Si0 2 ,
K. S A i R R Si
= 6 R 2 3
12 Si0 2 ,
L. Si R Si R Si
= 6 R 2 3 16 Si0 2 ,
M. Si R Si R Si
= 6 R 2 3
18 Si0 2 ,
N. R Si R Si R
= 9 R 2 O 3 12 Si0 2 ,
0. Si R Si R Si R
T = 9 R 2 S
20 Si0 2 .
of the general formula
m MO 2 (3 R 2 3 10 Si0 2
) n H 2 0.
Analyst SiO 8
A1 2 0, Fe,0 8
FeO CaO MgO K 2 O
Na 2 O H 2 O Total
Pisani Theory 39.95
15.28 7.99
21.97 10.95
3.86 100.00
CLXX 39.55
15.95 7.80
22.25 10.35
4.10 100.00
or the general formula
m MO 2 (3 R 2 3
12 Si0 2 ) n H 2 O.
Analyst
SiO s
Al,0 8
Fe 2 0,
FeO
CaO
MgO
K,0
Na 2
H 2
Total
Genth
Theory-
57.43
56.74
20.34
19.62
6.00V 2 3
7.78V 2 3
4.31
3.84
3.19
2.63
7.50
8.11
1.23
0.94
100.00
99.66
Rumpf
Theory
XLIV
40.73
40.16
15.87
15.79
2.26
2.53
4.07
4.12
~
26.03
26.15
7.98
7.64
0.37
3.06
3.58
100.00
100.34
Crawe
Theory
CLI
40.35
40.36
17.15
16.45
29.70
29.55
6.58
7.23
5.21
4.94
1.01
0.95
100.00
99.48
or the general formula
m MO 2 (3 R 2 3 15 Si0 2 )
nH 2 0.
Analyst
Si0 2
AljO 8 j Fe 2 O 3
FeO
CaO
MgO
K a O
Na 2
H 2 O
Total
Thomson
Theory
CLXXII
50.34
49.08
7.13
7.28
15.67
16.12
16.79
16.96
10.07
10.28
100.00
99.72
or the general formula
m MO 2 (3 R 2 3 18 Si0 2 ) n H 2 0.
Analyst
SiO a
A1.0,
Fe 2 8
FeO
CaO
MgO
K 2 O
NajO
H S O
Total
Bromeis
Theory
XXIII
43.27
42.89
1 6.13
6.09
9.62
10.59
25.64
25.09
13.18
13.15
0.36
2.16
2.30
100.00
100.47
Igelstrom
Theory
CX
38.63
38.50
10.94
11.00
3.86
3.78
3.00
3.20
15.01
15.01
5.04
5.51
21.58MnO
21.40MnO
1.94
1.60
100.00
100.00
366
THE MICA GROUP
E. Micas of the type
R -Si R = 5R 2 3 -6Si0 2
1
Source
8
6.5 MO
2 (5 A1 2 3
6H 2
6 SiO 2 )
6.5MO = 4.5CaO
1.5 FeO -0.5 MgO
Margarite
Peekskill
F. Micas of the type
Si R R Si = 5 R 2 3 12 Si0 2
Source
9
3 MO
2 (5 A1 2 3
12 SiO 2 )
3 MO = 1 FeO 0.5 MgO 1.5 K 2 O
Pinitoid
Weinheim
9H 2
10
5 MO
2(5A1 2 3
12 SiO 2 )
5 MO = 1 MgO- 1.5K 2 O-2.5Na 2 O
Friebenreuth
9H 2
11
6 MO
2 (5 A1 2 3
12 SiO 2 )
6 MO = 2 MgO 3.5 K 2 O 0.5 Na 2 O
Muscovite
Unionville,
8H 2 O
Pensylv.
12
6 MO
2 (5 R 2 O 3
12 SiO 2 )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
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