Jory—Identification of Crystals by the use of Birefringence. 487 
*IIpIO 3S] 
00z 
00” 
‘AIPIO P2Z 
oot! 00z! ooo! oog 
“I9P19 Pug 
oo9! 
“I9pdO GP 
W900 
Wo O-0 
Uw Zso-0 
wueo-0 
wu 0-0 
um ¢0:0 
WW90-0 
Apophyllite, etc. 
| Idocrase, etc. 
|. Chabasite, Repidolite, etc. 
Apatite, etc. 
Nepheline, Beryl, etc. 
| Stilbite, Zoisite, etc. 
i Orthoclase, Microcline, etc. 
} Albite, Labradorite, Cligoclase, etc. 
| Quartz, Enstatite, etc. 
Topaz, lolite, etc. 
} Andalusite, etc. 
. Anorthite, Hypersthene, etc. 
ANN 
Mh 
Tourmaline, etc. 
Augite, Glaucophane, etc. 
Hornblende, etc. 
Diallage, etc. 
Actinolite, etc. 
Tremolite, etc. 
Diopside, etc. 
oog! 
0002 
Olivine, etc. 
0022 
Epidote, etc. 
suiuws ol x OOve 
35) (Q) n N > vs 
S » xe) = 5 Se 
Se ay = ° 2 5 a 
! a oO 3° o 9 6 
a oO Ss 2 OR 
5 i) 9° 
o o 5 ry GO < 
Se OM ee 
+ o 
a < 
o) 
oe 
9 
bo 
A 
bo 
