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This is a very rare mineral from the KMF. Haphazard acicular deep red crystals to .5cm. Great thumbnail. Composition is so complex the formula takes less space!

Locality: Nchwaning 2 Mine, Kalahari Manganese Fields, Near Kuruman South Africa

Composition: Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9.

Availability: 1 in stock

SKU: Geo-963 Categories: , ,
Dimensions 3.1 × 2.2 × 1.7 cm