Olmiite-Poldervaartite On Matrix
Collection
John Betts - Fine Minerals
Description
Tan-colored prismatic Olmiite-Poldervaartite crystals on dark Hematite. This specimen was originally labeled as poldervaartite, but recent tests confirm that crystals may be zoned from Olmiite to Poldervaartite and visual identification is not possible.
Locality
N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
Dimensions
10 x 6 x 3 cm.
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