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1 item @ $125.00  

Kutnohorite with Arsenopyrite & Pyrite

#BC52644

Kutnohorite with Arsenopyrite & Pyrite

#BC52644
Availability
Sold
Size
8 x 6 x 4 cm - Sm Cabinet 
Formula
CaMn2+(CO3)2 (RRUFF)
Locality
Chichibu mine, Otaki Village, Chichibu Gun, Saitama, Honshu Island, Japan
Tagged
carbonate

Several pink spheroidal groups consisting of Kutnohorite crystals from 1 to 1.3cm across. The matrix is comprised of mostly 1 to 5mm Pyritte crystals, Quartz, and rounded plates of Marcasite. It was acquired by Barbara Cureton and originally from the Sakurai collection.

Kutnohorite

Formula
CaMn2+(CO3)2 
Crystal System
Trigonal 
Crystal Habit
Massive - Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous - Dull 
Color
white, light yellow, light pink 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

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