Ettringite, Manganite
Unknown Owner
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Two gemmy and lustrous, beautifully intergrown, V-shaped, sulfur-yellow ettringite crystals aesthetically set on manganese ore matrix from the famous N'Chwaning II Mine of South Africa. The large crystal is 1.7 cm and is doubly terminated. Excellent and choice material from this famous locality from the Rob Smith Collection.
Product details
SpeciesManganite, Ettringite
SizeMiniature
Dimensions3.5 x 2.8 x 2.5 cm
Added on10/23/2024
LocalitySouth Africa, Northern Cape, N'Chwaning II Mine
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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Mineral guide
Learn about Manganite
black metallic MnO(OH) with steel-gray luster and crisp, striated crystals; sought for large, lustrous specimens from Ilfeld and Kalahari Field.Regional guide
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