242 J. D. Dana on the Isomorphism and 
2. Hexagonal or Rhombohedral. 
A: 
i. or iron, 85°58’, 192° 
2. Alumin ae 86°04’, 1617 - 
8. Phenmciia, 83°12 354° 
4. Arsenic, 85°04’, ae 
5. Antinengs 87°35! 
6. Bismuth, 87°40’, 
7. Tellurium, 86°57’, 
8. Osmium, 84°52’, iis 
1. Quartz, 94°15’, 218: 
2. Chabazite, 94°46’, 4582°4 
1. Cinnabar, 71°47’, 180° 
2. Eudialyte, 73°40’, 2382° 
1. Beryl, (old at, wt. of Glucina,) 2512°7 
2. Nepheline, ~ 1473°2 
1. Tale, Mg3 Sis, 1188 
2 Meg‘ Sis, 1446: 
8 “ MgSi, 308'1 
pS et of oe 105°05’, (from K 231-2 
2. and magnesia vabited 106°15/, aa a 
3. = sian, 106°51’, 0-4 
4. Nitrate of soda, 106°33’, hs 6 
5. eae of i iron, Of 188°50 
6. iron and See som es 107°14’, 186-26 
1. « magnesia, 107°2 181-25 
8. vk zine, 107°40/, 1776 
9. Light red silver ore, 107°36’, 1125° 
10. Dark red silver ore, 108°18’, 1183: 
. Crystallization trimetric. 
i. ge mgr on ve weight,) 21618 
weight, 1300°9 
" von aa s at. wt., 433°7 
2. Chrysolite, 416° 
3. Villarsite, 1916°3 
4. Serpentine, 20685 
5. Epsom salt, 881- 
6. Picrosmine, 1587° 
1. Topaz, 2344° 
1, Sulphur, 
rodite, ‘ 894-7 
8. Selenium, (acknowledged isomorphous with sulphur,) 115° 
i. Lent hag pyrites, (dimorph with common pyrites,) 
157°56 
2. Gra mth lied 107°44’, 1 5 
8. Celestine, 104°, 294°2 
spar, 101°40’, 823-64 
5. Anglesite, 103°49, 301-67 
B. 
88°5 
149°12 
_ 1471 
16182 
150°83 
