achávalite
Sign in to saveAlso known as achavalite
Achávalite is a selenide mineral that is a member of the nickeline group. It has only been found in a single Argentinian mine system, being first discovered in 1939 in a selenide deposit. The type locality is Cacheuta mine, Sierra de Cacheuta, Mendoza, Argentina.
Key facts
- Mineral.name
- Achávalite
- Mineral.image
- Achavalite.jpg
- Mineral.caption
- Black metallic crystals of achávalite from Cacheuta Mine, Mendoza, Argentina
- Mineral.category
- Selenide mineral
- Mineral.formula
- (Fe,Cu)Se
- Mineral.IMAsymbol
- Ahv
- Mineral.molweight
- 134.81 g/mol
- Mineral.strunz
- 2.CC.05
- Mineral.system
- Hexagonal
- Mineral.class
- Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m)
- Mineral.symmetry
- P63/mmc
- Mineral.unit cell
- a = 3.636, c = 5.946 [Å], Z = 2
- Mineral.color
- Dark grey
- Mineral.mohs
- 2.5
- Mineral.luster
- Metallic
- Mineral.streak
- Grey-black
- Mineral.diaphaneity
- Opaque
- Mineral.gravity
- 6.53
via Wikipedia infobox
Wikidata facts
- Has part
- selenium
- Image
- Achavalite.jpg
Show 7 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.CC.05
- chemical formula
- FeSe
- Nickel-Strunz 9th edition (updated 2009)
- 2.CC.05
- crystal system
- hexagonal crystal system
- Commons category
- Achávalite
- IMA Mineral Symbol
- Ahv
- Strunz 8th edition (series ID, updated)
- II/B.09a
via Wikidata · CC0
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Encyclopedic overview
2 sectionsContents
- See also
- References
Achávalite is a selenide mineral that is a member of the nickeline group. It has only been found in a single Argentinian mine system, being first discovered in 1939 in a selenide deposit. The type locality is Cacheuta mine, Sierra de Cacheuta, Mendoza, Argentina.
==See also== List of minerals
Excerpted from Wikipedia’s “achávalite” article, available under the CC BY-SA 4.0 licence.