MA77W7: 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: 3.6 × 3 × 2.6 cm = 1.4” × 1.2” × 1.0”
Main crystal size: 1.3 × 0.9 cm = 0.5” × 0.4”

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