Sil. L. 
312. L. 
313. L. 
314. 
315. 
i Sp 
316. 
S17. 
318. 
319. 
320. 
321. 
322. 
ee ee pe 
Mineralogical Cabinet. 21 
Ticonderoga, New-York. Foliated in its structure, 
and disseminated through carbonate of lime, which 
likewise embraces minute crystalline grains of py- 
roxene. 
Borrowdale, England. Compact. 
do. do. do. 
Genus V. Tauc-Mica. 
Sp. 1. Prismatic Tale-Mica. Triv. Talc. Chlorite. 
Green Earth. 
. Hawley, Massachusetts. Crystallized. 
. Haddam, Connecticut. In slightly cohering scales, 
filling up cavities in granite, accompanied by garnet. 
. Easton, Pennsylvania. Slaty. 
. Hawley, Massachusetts. do. 
. Dedham, Massachusetts. Compact, in a vein. 
. Vermont. In confusedly aggregated scales. 
. England. Earthy. 
. Verona. Var. Green earth. 
. Piedmont. Green, in six-sided tables, in a cavity 
lined with crystals of wine colored garnets, and white 
crystals of pyroxene. 
. Cumberland, Rhode Island. Massive; green and 
white. 
do. do. 
. Easton, Pennsylvania. Lamellar. 
. Smithfield, Rhode Island. White, and scaly. 
do. White, and compact :— 
Var. French chalk, associated with granular limestone. 
. Pennsylvania. Var. Indurated tale. 
- Molk, Lower Austria. do. 
. Worcester, Massachusetts, An impure variety of talc, 
which appears to have an unusual proportion of wa- 
ter; in consequence of which, when heated before 
the blowpipe, or on a red hot coal, it exfoliates in a 
very remarkable manner; shooting out into little 
