METALS. 91. Stibium. 293 



Sulphurated Bifmuth. Kirnvan mine*" 2. p. 266. 

 Sulphurifed Bifniuch. Schmetf^cr miner. 2 p 211. 

 Suiphuret of BUmuth. Thomion cbem. 4 p. 95. 



1. Yellovvifh-white, ihining, combined with arfcnic and fulphur. 

 Wifmutum albo-flavef. Syst, nat xii. 3 p 128. «. 2, 

 Wifmutum nilVn, WalL l\st. 2 p. 207 n, 3. 



Arlenicatcd bifinutic ore. Schmeijer min, 2, p 213. 



2. B1uifh-v^hire, lam n^r, comf-^i led with fulphur only. 

 Wifmutum litcns. vV)//. /?<//. xii. 3 p 1^8. ». 4. 

 Wilmurum u^ph. Wall jyj\ z» p 206 » 2. 



Found in t' e mine^ of Great-Brit' irty SnAjeden^ Saxony^ Bohemia^ 

 and Hanno'ver, geni-Tdlly accompanied ny quae 7,, afbeilu- or 

 fparry iron ore, m Five or difperfcd, fcldom .n acicul^r or 

 capillary pi ifms ; colour from tin-white to lead-gr ). with 

 the furface ofien iridefcently tarnifhed: texture 1 m. Uar or 

 radiated: fpecific giavity fr-^m 6,131. to 6,467, ton;.a-ns 

 from 60 to 95 per cent of Bifmuth. 



tj^rtiale. Grey, with metallic luflre, not entirely foluble in nitric 

 acid, emitting fiilphurous flame and fmoke when 

 thrown on hot coals. 

 Wilmut, lameUis cuncat. Sy/l^ nat,. x'u, 3. p, 182 ;;. 3. 



Wifmut. fulp. et ferro. WalLfyd. 2 p, zoS. n. s;. 

 Martial fu'phurifcd B'fmuth. iichtne-.fser Z. p 212.. 

 Found near Gill bek'\^ JSlor^wayy of a ycllowifh grey appeari'ncc 

 and radiated texture : it fomewh^t refcmhlcs martial pyrites, 

 and contains iron added to bilmuth and fulphur. 



91. STIBIUM. Of a filveiy greyifh-whlte colour 

 and radiately lamellar texture, foftifh and very 

 brittle, when rubbed between the fingers giving 

 them a peculiar tafle and fmell, fpecific gravqtjf 

 6,860: melting at a red heat, ar;d when gradu- 

 ally cooled exhibiting cubical cryftals on the (ur- 

 face; in a greater degree of heat becoming firft 

 a grey ifh white oxyde, afterwards an hyaciiithi.ie 

 gicifs, and laftly volatilifing in wh te vapours: 

 forming a golden-yellow folution in nitromuriatiq 

 acid, and depofiting a white precipitate if water 

 be poured into the folution. Antimony, 



Ttaii'vum. Of a tin-white luflre, melting without fulphurous or arlc»^ 



jiical vapours. 



