EARTHS. TALCOSE. 2. Serpentinus. 65 



micaceous particles: does not diffufe itfelf In water, but gra- 

 dually crumbles to pieces : i> hritde and too hard tor writing, 

 but is made into utenfils for h 'Idin; water : contains filica 

 38. magnefia 38, alumina 7. iron 5. carbonate of lime 

 1. fluoric acid i. WeigUb. 



schistosum, Shinlni^ fornevvlut flexile, lamellous, breaking into dates. 



^torr. Alpenr. z. p 285 — 2 89 



Found in the country of the Gryfons among the Alps: colour 

 white, or greeiiifli vvhire, greenifli, or greyilh-green, blood- 

 ied, or dull red. It IS ufed for covering houfes. 



2. SERPENTINUS. Confiding of carbonate of 

 inagnefia, oxyde of iron, and filica^ with fre- 

 quently a mixture of alumina, rarely of calcare- 

 ous earth: dry and haifli to the touch, receiv- 

 a polilli : hardening m the fire; neither efFer- 

 vefcinG; with nitric acid nor abforbino- oil. 



mphriiicui^ Leek-green, femipel lucid, a little grcafy to the touch. 



Talcum prcepolienaum viride. Sril. nat. xii, 3./». 53, n, 7, 



J ade. Nephrit, Kii-o:an. jninerah . I . p. 1 7 1 . 



Nephrite. Jade. Schmeijjer^ i.p. 200. Thomp, 3./. 581. 



Foiond in Egypt, Amertcay Siveden, Saxony, Bohemia, and the 

 Sibcr/an and Hungarian tnountainsi fometim-js adlienng to 

 rocke^, and fomeinnes in detached rounded pieces; colour 

 da;k leek-greeii, with often a biueifli call: is very hard, and 

 does not melt in the rtrong'iii fire ; contains fiiica 47, car- 

 bonate of nugnefia 38. iron 9. alumina 4. carbonate of 

 lime 2, The inhabitants of A'^xu Zealand ufe them tor hatch- 

 ets and other cuttir.g inltruments. 



gerMtnus, Opake, without lufhe,. of fplintery fradure, becoming 

 whiter in the nre. 



Talcum prxpol. viride-maculat. Syji, nat. xii. 3. /». 52. «. 6. 



Serpentine. Ki "^: an miner al. i, p. 156, Scbtneijjer. i,p. 199, 

 Thomf. chetnili. 3. p 580. 



Found m moil European niountains, generally in large amorphous 

 m.ifles ; colour blackifh, leek, olive or canary green, yellow, 

 red, grey, brown, white, or blue; one fpecimea generally 

 exhibiting a mixture of ieveral colours like the fkin of a fer- 

 p.^nt: when l-ieathed upon frequently emits an earthy fraell: 

 contains ma^neiia 34, 5. lilica 28,0. alumina 23, o, oxyde 

 of iron 4, 5, iime o, 5. water io, 5. Chene-vix, 



fiisilis. Green, of a flaty texture. 



Chlorit fniftus. Schmeijjer minera\ 1.^,198- 



VOL, Vll. — I 



