Rahul Sharma (Editor)

Achávalite

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Category
  
Selenide mineral

Strunz classification
  
2.CC.05

Space group
  
P63/mmc

Formula (repeating unit)
  
(Fe,Cu)Se

Crystal system
  
Hexagonal

Crystal class
  
Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m)

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.

References

Achávalite Wikipedia