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1 item @ $125.00  

Mineralpedia Details for Kutnohorite

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Kutnohorite

Kutnohorite

Named for the type locality at Kutna Hora in the Czech Republic. Kutnohorite is an uncommon mineral that occurs in deposits that are associated with manganiferous sediment. Localities for kutnohorite include in, additionally, Sweden, Italy, the United States, Canada, Mexico, South Africa, Japan, and Australia, among several others. Associated minerals include rhodochrosite, aragonite, and calcite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/kutnohorite.pdf

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 
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Kutnohorite from Taxco, Guerrero, Mexico

Kutnohorite
            from Taxco, Guerrero, Mexico

Nice pink sheaf-like, well-defined, free-standing crystal bundles to 1cm.

Click thumbnail images for larger view.

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