212 A SYSTEM OF 



of cobalt, but it is wrong ; becaufe neither 

 the calx of bifmuth, nor its folutions, be- 

 come red, this being a quality belonging 

 to the cobalt. 



I have feen a radiated criftallifation of a 

 metallic appearance, which was found at 

 Schneeberg, and was likewife called Bif- 

 muth Flowers ; but in the fmall trial I was 

 permitted to make on it, it did not dis- 

 cover the lead marks of bifmuth, but an- 

 fwered rather%) zink, if zink may be fup- 

 pofed to exifb in a native ftate. 



SECT. CCXXIV. 



C. Mineralifed bifmuth, Vifmutum miner alifatumi 

 This is, with refpe£t to colour and ap- 

 pearance, like the coarfe teffellated potter's 

 lead ore-, but it confifts of very thin fquare 

 plates or flakes, from which it receives a ra- 

 diated appearance, when broken crofswife. 

 i. With fulphur, Vifmutum fulpkure miner ali- 

 fatum. 



a. With large plates or flakes, from Baft- 

 nas at Riddarfhyttan, Bafringe and Stri- 

 pas in Weftmanland. 

 h> With fine or fmall fcales, from Jacobs- 

 grufvan at Riddarfhyttan, and the mines 

 at Los, in the parilh of Farila, in Hel- 

 finaland. 



SECT. CCXXV. 



2. With fulphurated iron, Vifmutum ferro ful- 

 phur at q miner alifatum. 



a. Of 



