ANALYSIS OF MINERALS. 
499 
Analysis of Minerals most abundant in the Volcanic and Hypogene Rocks. 
Pc 
O 
o ^ 
B 
> 
< 
4 
S 
H 3 . 
£ 5 w 
w ^ 
4 
z 
o 
o 
(4 
O 
V 
Silica. 
is 
S 
Sesquk 
Iron. 
X H 
S o 
Lime. 
w 
g 
0 
Potash 
0 
c 
cn 
Other 
ENTS. 
E . 
o > 
Pd H 
B. 
C« 
THE QUARTZ GROUP. 
Quartz. 
100-0 
2-6 
Tridymite. 
100-0 
2-3 
THE FELDSPAR GROUP. 
Orthoclase. Carlsbad, in granite (Bulk) 
-Sanadine, Drachenfels in trachyte 
65-23 
18-26 
0-27 
trace 
14-66 
1-45 
... . 
2-55 
(Rammelsberg). 
Alette. Arendal, in granite (G. Rose) . 
65-87 
18-53 
0-95 
0-30 
10-32 
3-42 
W. 0-44) 
68-46 
19-30 
6-28 
0-68 
11-27 
2-61 
Oligoclase. Ytterby, in granite (Berze- 
lius). 
61-55 
23-80 
3-18 
0-80 
0-38 
9-67 
2-65 
-Teneriffe, in trachyte (Deville) . . 
Labradorite. Hitteroe, in Labrador- 
61-55 
22-03 
2-81 
0-47 
3-44 
7-74 
2-59 
Rock (Waage). 
51-39 
29-42 
2-90 
9-44 
0-37 
1-10 
5-03 
W. 0-71 
2-72 
-Iceland, in volcanic (Damour) . . 
52-17 
29-22 
1-90 
13-11 
3-40 
2-71 
Anorthtte. Harzburg, in diorite (Streng) 
-Hecla, in volcanic (Waltershausen) 
45-37 
34-81 
0-59 
16-52 
6-83 
6-40 
1-45 
W. ’ 6-87 ) 
45-14 
32-10 
2-03 
6-78 
18-32 
0-22 
1-06 
... f 
J 4 4 
Leucite. Vesuvius, 1811, in lava (Ram- 
melsberg). 
Nepheline. Miask, in Miascite (Schee- 
56-10 
23-22 
20-59 
0-57 
2-48 
rer). 
44-30 
33-25 
0-82 
0-32 
0-07 
5-82 
16-02 
2-59 
-Vesuvius, in volcanic (Arfvedson) . 
44-11 
33-73 
20-46 
W. ’ 0-62 
2-60 
THE MICA GROUP. 
( F. 0-67 1 
1 W. 1-84) 
Muscovite. Finland, in granite (Rose) . 
46-36 
36-80 
4-53 
9-22 
2-9C 
Lepidolite. Cornwall, in granite (Reg- ) 
nault).f 
52-40 
26-80 
1-50 
9-14 
j F. 4-18 1 
|Li. 4-85 f 
2-9C 
Biotite. Bodennais (V. Kobell) . . . 
10-86 
15-13 
13-00 
22-00 
8-83 
W. 0-44 
2-7C 
-Vesuvius, in volcanic (Chodnef) 
10-91 
17-71 
11-02 
6-30 
19-04 
9-96 
2-7S 
Phlogopite. New York, in metam. lime- ) 
stone (Rammelsberg).) 
41-96 
13-47 
2-67 
0-34 
27-12 
9-37 
o 
O W 
2-81 
Margarite. Nexos (Smith) .... 
49-52 
1-65 
10-82 
' 0-48 
1 
-25 
W. 5-55 
2-99 
Chlorite. Dauphiny (Marignac) . . . 
26-88 
17-52 
29-76 
13-84 
W. 11-33 
2-87 
Rapidolite. Pyrenees (Delesse) . . . 
32-10 
18-50 
6.06 
36-70 
W. 12-10 
2-61 
Talc. Zillerthal (Delesse). 
63-00 
trace 
33-60 
W. 3-10 
2-78 
THE AMPHIBOLE AND PYROXENE 
GROUP. 
Tremolite. St. Gothard (Rammelsberg) 
Actinolite. Arendal, in granite (Ram¬ 
58-55 
13-90 
26-63 
F.W. 0-34 
2-93 
melsberg) . 
Hornblende. Faymont, in diorite (De¬ 
56-77 
0-97 
5-88 
13-56 
21-48 
W. 2-20 
3-02 
ville . 
41-99 
11-66 
22-22 
9-55 
12-59 
1-02 
W. 1-47 
3-20 
-Etna, in volcanic (Waltershausen) 
40-91 
13-68 
17-49 
13-44 
13-19 
W. 0-85 
3-01 
Ur A LITE. Ural (Rammelsberg) .... 
50-75 
5-65 
17-27 
11-59 
12-28 
W. 1-80 
3-14 
Augite. Bohemia, in dolerite (Rammels¬ 
berg) . 
51-12 
3-38 
0-95 
8-08 
23-54 
12-82 
3-35 
-Vesuvius, in lava of 1858 (Ram- 
melsberg) . . . •. 
49-61 
4-42 
9-08 
22-83 
14-22 
3-25 
Diallage. Harz, in Gabbro (Rammels- 
herg) . 
52-00 
3-10 
9-36 
16-29 
18-51 
W. 1-10 
3-23 
Hypersthene. Labrador, in Labrador- 
Rock (Damour). 
51-36 
0-37 
22-59 
3-09 
21-31 
3-39 
THE OLIVINE GROUP. 
Bronzite. Greenland (V. Kobell) . . . 
Olivine. Carlsbad, in basalt (Rammels- 
58-00 
1-33 
11-14 
29.66 
3.20 
bergl. 
39-34 
14-85 
45-81 
3-40 
-Mount Somma, in volcanic (Walm- 
stedt). 
40-08 
0-18 
15-74 
44-22 
- 
3-33 
In the last column but one of the above table the following: sigcns are used : F. Fluorine ; Li. Lithia 
W. Loss on igniting the mineral, in most instances only Water. 
