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Mineralpedia Details for Kochsandorite

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Kochsandorite

Kochsandorite

Formula
CaAl2(CO3)2(OH)4┬ĚH2
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Radial 
Cleavage
None, None, None 
Luster
Vitreous - Silky 
Color
white 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
2-2.5 
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Kochsandorite from Coal mine, Mány, Bicskei dist., Fejér Co., Hungary

Kochsandorite
            from Coal mine, Mány, Bicskei dist., Fejér Co., Hungary
Special Info
Type Locality

Kochsandorite is a very rare calcium-aluminum carbonate found at only three localities in the world. At this locality it is found in a coal mine in a matrix of carbonaceous shale. The Kochsandorite is a bundle of silky fibrous crystals too small to measure.

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