Formula : (Mn,Zn)2Te3O3
System: monoclinic Hardness:3½ Rarity:very rare
Strunz id:IV/K.13-10 -
OXIDES and HYDROXIDES
Name origin: Named after Kiril Spiroff (1901-1981), mineralogist, Michigan college of Mining and Technology, Houghton, Michigan (USA).
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