[ w 3 



CLASS II, MINERALS. 

 I, SALTS. 



13. Nitre: frigido-acid, effential, 



14. Natrum : bitterifh, alcalefcent. 



15. Borax: (lightly fapid, alcalefcent. 



16. MuRiA : acute, intermediate. 



17. Alum: aurtere, a mineral acid. 



18. Vitriol: ftyptic, a mineral acid, 



n. SULPHURS. . . i 



A. UnfiuQuSy inert. 



19. Ambergris: emitting ambrofiacal fumes. ' 



20. Amber: emitting fuayeolent furnes* i 



21. Bitumen: emitting ^ave fumes. 



B. Mineralized, metaUic. 



22. Pyrites; emitting acute yellowi(h fumej^. I 



23. Arsenic: emitting alliaceous white fum,es^. ' 



III. METALS. 



A. Friabky femimetals, 



24. Quicksilver: fluid, dry. 



25. Molybdenum: marking, not fufrle, 

 26. -Antimony: fibrous,^ friable. 



27. Zinc: rimofe and malleable. 



28. Bismuth: laminous and malleable. 



29. Cobalt: compad, fragile. 



B« Malleable, perfe£l metals. 



30. Tin: quite white, mute. 



31. Lead: blueifh, mute. 



32. Iron : brownifh, fonorous. 



33. Copper: rufous, fonorous. 



34. Silver: quitQ white, fonorous, 



35. Gold: yellow, mute. 



