Bismuthinite

Bismuthinite

Infobox mineral
name = Bismuthinite
category = Sulfide mineral
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formula = Bi2S3
color = Lead-gray to tin-white, with a yellowish or iridescenttarnish.
habit = Slender prismatic to acicular, massive lamellar
system = Orthorhombic - Dipyramidal 2/m 2/m 2/m
twinning =
cleavage = [010] Perfect
fracture = Brittle - sectile
mohs = 2
luster = Metallic
refractive =
opticalprop = Opaque
streak = Lead grey
gravity = 6.8 - 7.2
density =
melt =
fusibility =
diagnostic =
solubility =
diaphaneity =
other =
references = http://rruff.geo.arizona.edu/doclib/hom/bismuthinite.pdf Mineral Handbook] http://webmineral.com/data/Bismuthinite.shtml Webmineral Site] http://www.mindat.org/min-686.html Mindat mineral data]

Bismuthinite is a mineral consisting of bismuth sulfide (Bi2S3). It is an important ore for bismuth. The crystals are steel-grey to off-white with a metallic luster. It is soft enough to be scratched with a fingernail and rather dense.

Bismuthinite forms a series with the lead, copper, bismuth mineral aikinite (PbCuBiS3).

It occurs in hydrothermal veins with tourmaline-bearing copper veins associated with granite, in some high temperature gold veins, and in recent volcanic exhalation deposits. Associated minerals include native bismuth, aikinite, arsenopyrite, stannite, galena, pyrite, chalcopyrite, tourmaline, wolframite, cassiterite and quartz.

It was first reported in 1832 from the mines of Potosí, Bolivia.

References

* [http://www.galleries.com/minerals/sulfides/bismuthi/bismuthi.htm mineral galleries]


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Look at other dictionaries:

  • Bismuthinite — Catégorie II : sulfures et sulfosels[1] Bismuthinite Schlaggenwald (Horni Slavkov) Bohème Tc …   Wikipédia en Français

  • bismuthinite — ● bismuthinite nom féminin Sulfure de bismuth Bi2S3, qui en est le principal minerai …   Encyclopédie Universelle

  • Bismuthinite — Bismuthine Bis muth*ine, Bismuthinite Bis muth*in*ite, n. Native bismuth sulphide; sometimes called bismuthite. [1913 Webster] …   The Collaborative International Dictionary of English

  • bismuthinite — bismutinas statusas T sritis chemija apibrėžtis Mineralas. formulė Bi₂S₃ atitikmenys: angl. bismuthinite rus. висмутин; висмутовый блеск …   Chemijos terminų aiškinamasis žodynas

  • bismuthinite — /biz muth euh nuyt , biz meuh theuh /, n. a mineral, bismuth sulfide, Bi2S3, occurring in lead gray masses: an ore of bismuth. Also called bismuth glance. [BISMUTHINE + ITE1] * * * …   Universalium

  • bismuthinite — noun A soft bismuth sulfide mineral, an important ore for bismuth …   Wiktionary

  • bismuthinite — bis·muth·in·ite …   English syllables

  • bismuthinite — /bɪzˈmʌθənaɪt/ (say biz muthuhnuyt) noun a mineral, bismuth sulphide, Bi2S3, occurring in lead coloured masses; an ore of bismuth …  

  • bismuthinite — ˈbizməthə̇ˌnīt, ˈbism , məthə̇ˌ ; (ˈ)biz|mə , myü noun ( s) Etymology: bismuthine + ite : a mineral Bi2S3 consisting of native bismuth sulfide usually in foliated or fibrous masses of lead gray color and metallic luster * * * /biz muth euh nuyt …   Useful english dictionary

  • Bismuthine — Bismuthinite Bismuthinite Catégorie II : sulfures et sulfosels Bismuthinite Schlaggenwald (Horni Slavkov) Bohème Tchéquie (XX1,1cm) …   Wikipédia en Français

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