AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Africa > Olmiite on Calcite

Olmiite on Calcite from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 60902
Mineral:	Olmiite on Calcite
Locality:	N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa (Type Locality for Olmiite)
Description:	Three spherical clusters to 8 mm diameter of lustrous transparent medium-pink olmiite crystals to 4 mm on lustrous transparent colorless scalenohedral calcite crystals to 2 mm. The olmiite crystals fluoresce weak red under SW UV illumination.
Overall Size:	30x28x26 mm
Crystals:	1-4 mm
Archived:	For reference only

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