# Vulcanite
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> Source: https://en.wikipedia.org/wiki/Vulcanite
> Source revision: 1283817133
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{{Short description|Copper telluride mineral}}
{{about|the mineral vulcanite|vulcanized rubber, also known as Vulcanite|ebonite|artificial stone|artificial stone}}
{{Infobox mineral
| name = '''Vulcanite'''
| category = [Telluride mineral](/source/Telluride_mineral)
| boxwidth =
| boxbgcolor =
| image = Vulcanite.png
| imagesize =
| caption = Vulcanite from [Good Hope Mine](/source/Good_Hope_Mine), Colorado, U.S.
| formula = CuTe
| IMAsymbol = Vul[{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}]
| molweight =
| strunz = 2.CB.75
| color = Pale to yellow bronze
| habit = Massive, granular, tabular
| system = [Orthorhombic](/source/Orthorhombic)
| class = Dipyramidal (mmm)
[H-M symbol](/source/H-M_symbol): (2/m 2/m 2/m)
| symmetry = ''Pmnm''
| twinning = Common
| cleavage = [hk0] Good, [h0l] Indistinct
| fracture = Sectile – Curved shavings or scrapings produced by a knife blade
| mohs = 1–2
| luster = Metallic
| refractive =
| opticalprop =
| birefringence =
| pleochroism = Very strong, bright yellow to blue-gray
| streak =
| gravity = 7.1
| density =
| melt =
| fusibility = 1.5
| diagnostic =
| solubility =
| diaphaneity = Opaque
| other =
| references = [[http://rruff.geo.arizona.edu/doclib/hom/vulcanite.pdf "Vulcanite"] in ''Handbook of Mineralogy''. Mineralogical Society of America][[http://webmineral.com/data/Vulcanite.shtml Vulcanite Mineral Data]. Webmineral][[http://www.mindat.org/min-4213.html Vulcanite]. Mindat]
}}
'''Vulcanite''' is a rare copper telluride mineral. The mineral has a metallic luster, and has a green or bronze-yellow tint. It has a hardness between 1 and 2 on the [Mohs scale](/source/Mohs_scale) (between [talc](/source/talc) and [gypsum](/source/gypsum)). Its crystal structure is [orthorhombic](/source/orthorhombic).
Vulcanite is named for the place where it was discovered in 1961, the Mammoth Good Hope Mine in [Vulcan](/source/Vulcan%2C_Colorado) (ghost town and district), [Gunnison County, Colorado](/source/Gunnison_County%2C_Colorado).