2,6z METALS. 84. Cifprum. 



or radiate: fometimes cryftallized in rhomboidal prifms xvith 

 4..ridedfummic?: it leaves a Iky-blue trace, and is brittle: ^ 

 before the blowpipe it blackens, and tinges borax green vv,th 

 efFervefcence : Ipt-cific gravity 3,608 : contains copper 66 to 

 70, carbonic *cid 18 to 20, oxygene 8 to 10, water 2. 

 PeUetier. 



■ A. Pa^e verdeeris green, foUible in acids without efFervef- 



^.nde. ^^^^ll^f.^^^ %^J^^ i, volatile alkali becoming blue, 



>vithout lultre, ot a conchoidal texture. 

 Jcurd in the mines of ^ibe,ta. Saxony, and Noravay, fome- 

 li 1 es luperficial, iop^tirpcs intermixed with other minerals : 

 opake, Lecoming black m the fire: of a common iorm, or 

 )jotryo:dal or kidney form. 



ar^lUsu.. Sof% green, (hining internally, of a conchoidal texture. 



Rew-vanz. Nach. nj. ultailch. Gebirg- p. 53. 



Argillaceous copper ore. Schmeljser my.er. 2. p, 1 50. 



Found in the Altaic mountains of Liberia, and adheres to the 

 tonPue in confequence of iti mixture with alumina : colour 

 lipht or dukv-grecn or hrownifh-green : it may be eahly 

 cut with a knife, and contains trom 24 to 30 percent, of 

 copper, 



takoium. Sea-green, very foft, making a (Ireak. 



* Reno--vanz Nach. 'V. Altai fcb. Geh. />■ 51. . 



Found in the mines on the Altaic mountain;, of ^ibenc, in the 

 ' pavities or crevices of metallic or ^luniinar minerals, and ha? 

 f;nall particles of t.Vc intermixed wth it: colcur fometimes 

 verv pale gr.-en, and occafionally exhibiting a metallic Ittitre 

 or iianlparency'; its texture lamellar or fibroUS m a ftellatc 

 manner. 



^ruzo Green, giving a blue colour to ammonia, efFervefcing with 

 ' nitric acid, qpake, without metallic luitre. 



Cuprum corrofum. WalL fyft^ 2. />. 286. n, 14. 



Green copper ore. Ki^n.K an mineral. 2 p. 131. 



Green copper ce. Schmeifier miner, z. p.\y.* 



Green carbonate of copptr. Thomfon chem. 4. /. 45. 



Mountain green. Berkenh, outl. p. 263. 

 I. Soft, brittle, of an earthy or minutely conchoidal fra6lure» 



Ochra seiis Syft . nat, xii. 3.^. 19?. A- 3* 



ChrylocoUa. Coji.fofs. 100. 



Mountain ^reen. Ki'-'ivan miner, z. p. 134. 

 ■ Mountain green, ^chmeifser miner, z. p 140. 



Common mountain green, Ihcmjon chem, 4. /• 45» 



