404 
MEASUREMENTS OF CRYSTALS. 
HEAVY SPAR. (Continued.) 
M 
on 
t _ 
. 169 c 
'19' 
45 // 
P 
on 
r . 
. 162 
2 
44 
d 
on 
s . 
. 129 
0 
39 
d 
on 
u . 
.. 160 
41 
39 
r 
on 
r . 
. 35 
54 
32 
s 
on 
t . 
. 151 
26 
21 
u 
on 
u . 
. 116 
38 
0 
CELESTINE. 
Figs. 47 to 50 inclusive. 
Page 210. 
Fig. 
47. 
The primary, a ri. 
ght 
rhombic 
prism. 
MonM' . 104° to 104°48 / 
M or M' onP .. 90 0 
CELESTINE. 
P on l . 157°47 / 
P on o . 128 31 
Pons . 90 0 
d on d . 78 28 
d on l . 162 69 
STRONTIANITE. Figs. 51 to 54 inclusive. Page 
• 212 . 
Fig. 51. The primary, a right rhombic 
prism. 
M on M'. 117032' 
M or M / on P . 90 0 
