telluride mineral
A telluride mineral is a mineral
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure for ...
, a copper telluride (Cu7Te5)Mindat /ref> or Cu3-x (x = 0 to 0.36)Te2.Handbook of Mineralogy /ref> It was first described for an occurrence in the Good Hope Mine, Vulcan district,
Gunnison County, Colorado
Gunnison County is a county located in the U.S. state of Colorado. As of the 2020 United States census, 2020 census, the population was 16,918. The county seat is Gunnison, Colorado, Gunnison. The county was named for John W. Gunnison, a Unite ...
, US,Webmineral /ref> and named for mining engineer Thomas Arthur Rickard (1864–1953). It is a low temperature hydrothermal mineral that occurs associated with
vulcanite
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 (between talc and gypsum). Its crystal structure is orthorhombic.
Vulcani ...
petzite
The mineral petzite, Ag3 Au Te2, is a soft, steel-gray telluride mineral generally deposited by hydrothermal activity. It forms isometric crystals, and is usually associated with rare tellurium and gold minerals, often with silver, mercury, ...
,
sylvanite
Sylvanite or silver gold telluride, chemical formula , is the most common telluride of gold.
Properties
The gold:silver ratio varies from 3:1 to 1:1. It is a metallic mineral with a color that ranges from a steely gray to almost white. It is c ...
pyrite
The mineral pyrite ( ), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral.
Pyrite's metallic luster and pale brass-yellow hue ...
,
arsenopyrite
Arsenopyrite ( IMA symbol: Apy) is an iron arsenic sulfide (FeAsS). It is a hard ( Mohs 5.5–6) metallic, opaque, steel grey to silver white mineral with a relatively high specific gravity of 6.1.
When dissolved in nitric acid, it releases el ...
and
bornite
Bornite, also known as peacock ore, is a sulfide mineral with chemical composition that crystallizes in the orthorhombic system (pseudo-cubic). It is an important copper ore.
Appearance
Bornite has a brown to copper-red color on fresh surfa ...
.
See also
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List of minerals
This is a list of minerals which have Wikipedia articles.
Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various ''species''. Within a mineral speci ...