Mineral Information and Data:

Dzharkenite
FeSe2 [CNMNC approved formula]

Named after its locality: In the Suluchekinskoye Se-U deposit, Dzharkenskaya depression, SE Kazakhstan.

IMA status : Approved Species 1995 ()
CLASSIFICATION 
Dana
(8th edition) :
02.12.01.17  
  (02) Sulfides - Including Selenides and Tellurides
  (02.12) where Am Bn Xp, with (m+n):p=1:2
  (02.12.01) Pyrite Group (Isometric: Pa3)
  
Nickel-Strunz
(10th edition) :
02.EB.05a
  (02) Sulfides
  (02.E) Metal Sulfides, M:S = 1:2
  (02.EB) M:S = 1:2, with Fe, Co, Ni, PGE, etc.
  
Crystal system: Cubic System
Point group (H-M): m3 (or 2/m 3) — diploidal
  
  
Polymorphism and Series: In selenium ore associated with ferrosellite and goethite. Polymorphous with ferroselite.
  

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