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Native Bismuth

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Bismuth, Native 

a mineral composed of Bi. It crystallizes in trigonal system; granular formations and feathery and branching dendrites are characteristic. It has complete cleavage. It is silver-white on a new fracture, with a yellow tint and usually with reddish iridescence. Its hardness on the mineralogical scale is 2.5; its density is 9,780-9,830 kg/m3. Native bismuth is formed in skarn and hydrothermal deposits in association with cassiterite, wolframite, molybdenite, scheelite, and sulfides of Pb, Zn, Cu, and Fe, as well as in ores containing sulfides and arsenides of Co and Ni, pitchblende, and native silver.



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[ILLUSTRATION OMITTED] SUMMARY This paper presents preliminary observations on veinlets and trails of native bismuth and silver melt inclusion that cross-cut silicate and carbonate vein fill and alteration minerals in the five-element veins at Cobalt, Canada.
Also native bismuth were found in sluice boxes on the south side of Fish Creek which indicates that a Melba Creek like intrusive (Fort Knox) type deposit may exist in the vicinity according to Rodney A.
Frequently, gold is intergrown with tellurides and native bismuth.
 
 
 
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