Lustrous Olmiite Crystals on Matrix of Olmiite and CalciteSKMF 021

Druse of aggregates of olmiite crystals on matrix, high lustre, beautifully terminated

Measurements:  28 x 26 x 18 mm

Description:   A druse of aggregates of gemmy peach / camel olmiite crystals on a matrix of olmiite and calcite. The crystals are beautifully terminated and has a high lustre. The only apparent damage is to the matrix.

Weight of Specimen:  13.1 g

Chemical Composition:  CaMn[SiO3(OH)](OH)  (olmiite)
                                        CaCO3  (calcite)  3.

Hardness on Mohs Scale:  (olmiite)  5-5.5
                                           (calcite)  3

Location:  N'Chwaning 2, Kalahari Manganese Fields, Kuruman Area, South Africa.

Specimen Code:  SKMF 021



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