MD57W7: Sturmanite with Calcite - N'Chwaning II Mine, Northern Cape Province South Africa
Sturmanite with Calcite

N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (1987)

Specimen size: 3.5 × 1.6 × 1.3 cm = 1.4” × 0.6” × 0.5”
Main crystal size: 3.5 × 1.4 cm = 1.4” × 0.6”

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