Olmiite Crystal Aggregates - SKMF 046

Olmiite crystal aggregates

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