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A large single crystal of deeply saturated yellow sturmanite from the famous N’Chwaning Mine. Lustrous faces and a sharp termination, with some translucency when backlit. A great miniature for the species. Ex: Gerald Demaree
N'Chwaning II Mine, South Africa — premier manganese locality yielding rare cabinet-scale minerals (hausmannite, rhodochrosite, ettringite) prized for color an…
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