C 3 • 



i. Asbestos, of a leek or olive green colour, or 

 grey ; feels greafy ; breaks into parallel, ftriated, 

 and fometimes curved, fibres or fplinters; does 

 not efFervefce with acids. Anal. Carbonate of 

 magnefia 16. Silex 63,9. Carbonate of lime 

 12,8. Argill 1,1. Oxyde of iron 6. Bergman. 



k. Amianthus, of a green or greyifh, or filvery, 

 white, fometimes olive green ; breaks into flex- 

 ible, and moftly parallel, filaments ; foft and 

 greafy, fomewhat tranfparent. Anal. Carbonate 

 of magnefia iSfi. Silex 64. Carbonate of lime 

 6,9. Barofelenite 6. Argill 3,3. Oxyde of iron 

 12. Bergman* 



1. Suher Montanum, cork-like, or refembling 

 brown wood ; it is opake, elaftic, of a flaty 

 curve, and irregularly fibrous texture. AnaL 

 Carbonate of magnefia 22. Silex 62. Argill 2,8. 

 Carbonate of lime 10. Oxyde of iron 3,2. 

 Bergman. 



m. Anctynolite, amorphous, lamellated, ftriat- 

 ed, and fibrous ; in compreffed hexahedrai prifms 

 with fmooth furfaces. AnaL Carbonate of mag- 

 nefia 20. Silex 64. Carbonate of lime 9,3. 

 Argill 2,7. Oxyde of iron 4. Bergman. 



n. Jade, of a dark leek green or bluifh colour;, 

 furface fmooth, fometimes uneven; in detached 

 round maffes, or inhering in rocks ; of a fplin- 

 fery texture ; feels greafy. AnaL Carbonate of 



magnefia 



