PEOFESSOE KOPP ON THE SPECIFIC HEAT OF SOLID BODIES. 
Pyrolusite 
f Quartz 
Mn G 2 . . 
Atomic 
weight. 
. . 87 
SiG 2 . . . 
. . 60 
SixZr*G 2 . 
. . 90*8 
Sn 0 2 
. . 150 
TiG 2 . . . 
. . 82 
-Mo G 3 . . . 
. . 144 
wo 3 . . . 
. . 232 
K 2 GG 3 . . 
. . 138*2 
Na 2 GG 3 . . 
. . 106 
Rb 2 G © 3 . . 
. . 230*8 
Ba G © 3 
. . 197 
€a€Q g 
CaxMgi€G 3 
Fe G © 0 
1 
Zircon 
Cassiterite 
Artificial 
Eutile . 
Brookite 
Fused . 
| Pulverulent 
86. Carbonates and Silicates. 
Fused 
Witherite 
100 
92 
116 
-Calc-! 
spar 
Arragonite 
rr 
| Spathic iron 
SOLID BODIES. 
173 
Specific 
Atomic 
heat. 
heat. 
0*159 
Kp. 
13*8 
0*1883 
N. 
11*3 
0*1913 
E. 
11*5 
0*186 
Kp. 
11*2 
0*1456 
E. 
13*2 
0*132 
Kp. 
12*0 
0*0931 
N. 
14*0 
0*0933 
E. 
14*0 
0*0894 
Kp. 
13*4 
0*1716 
E. 
14*1 
0*1724 
N. 
14*1 
0*1703 
E. 
14*0 
0*157 
Kp. 
12*9 
0*161 
Kp. 
13*2 
0*1324 
E. 
19*1 
0*154'? 
Kp. 
22*2 
0*0798 
R. 
18*5 
0*0894? 
Kp. 
20*7 
0*2162 
R. 
29*9 
0*206 
Kp. 
28*5 
0*2728 
E. 
28*9 
0*246 
Kp. 
26*1 
0*123 
Kp. 
28*4 
0*1078 
N. 
21*2 
0*1104 
R. 
21*7 
0*2046 
N. 
20*5 
0*2086 
R. 
20*9 
0*206 
Kp. 
20*6 
0*2018 
N. 
20*2 
0*2085 
R. 
20*9 
0*203 
Kp. 
20*3 
0*2161 
N. 
19*9 
0*2179 
R. 
20*0 
0*206 
Kp. 
19*0 
0*182 
N. 
21*1 
0*1934 
R. 
22*4 
The minerals investigated doubtless contained part of the iron, replaced by metals of 
lower atomic weight. The atomic weight and the product assumed above are somewhat 
too great. 
Feji. Mm? T Mg^ G G 3 1 1 2 • 9 
Mg-FejGOj, . . 91 T 
PbG0 Q . . 
267 
Spathic iron 0T66 
( Cerussite 
1 
0*166 
Kp. 
18*7 
0*227 
N. 
20*7 
0*0814 
N. 
21*7 
0*0791 
Kp. 
21*1 
Eegnault found for precipitated carbonate of lead still containing water, the specific 
heat 0*0860. 
