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 LibraryW. (Wladislaw) AschThe 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 )



Online LibraryW. (Wladislaw) AschThe 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)