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Measurements: 45 x 30 x
23 mm
Description: Aggregates of
olmiite crystals.
The specimen has a
few contact marks, and the display area has a few small nicks. The
specimen has been trimmed at the bottom.
Please note that the
colour of olmiite is difficult to portray accurately, due to the
electric lighting.
Weight of
Specimen: 34.6 g
Chemical
Composition: CaMn[SiO3(OH)](OH) (olmiite)
Hardness
on Mohs Scale: (olmiite) 5-5.5
Location:
N'Chwaning 2 mine, Kalahari Manganese
Fields, Kuruman area, South Africa.
Specimen Code: SKMF 046
US $ 30
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