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Olmiite (Poldervaartite)
N Chwaning II Mine, Kalahari Manganese Filed
Northern Cape Province, South Africa
2.9 x 2.8x .8 CM (thumbnail)
price: $180
Late Summer 2021

A cute thumbnail of what was once a very rare mineral. This find was very important and large, the mineral was no long incredibly rare and it was also realized most of these were actually more accurately identified as another rare mineral, Olmiite. The South African discovery was and is the world's best and for all practical purposes the only locality for good specimens. This piece has a nice 1.8 CM crystal with the faces showing complex modification so it looks stepped and rounded. In fine condition, the color seems to vary depending on the light source from a brownish to orange hue. The matrix is a thin plate with a druse of clear Calcite crystals.




Olmiite (Poldervaartite)
N Chwaning II Mine, Kalahari Manganese Filed
Northern Cape Province, South Africa
2.9 x 2.8x .8 CM (thumbnail)
price: $180
Late Summer 2021

A cute thumbnail of what was once a very rare mineral. This find was very important and large, the mineral was no long incredibly rare and it was also realized most of these were actually more accurately identified as another rare mineral, Olmiite. The South African discovery was and is the world's best and for all practical purposes the only locality for good specimens. This piece has a nice 1.8 CM crystal with the faces showing complex modification so it looks stepped and rounded. In fine condition, the color seems to vary depending on the light source from a brownish to orange hue. The matrix is a thin plate with a druse of clear Calcite crystals.