Dioptase
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Dioptase, 2.5 cm, from the Sanda mine, M’Bumba Valley, Mindouli District, Brazzaville, Republic of Congo. Part of the 1989 McDole Trophy winning display, and part of the 2010 Desautels Award winning display. Ex Julius (1925-2010) and Miriam (1926-2014) Zweibel, ex Wayne and Dona Leicht. Photo: Jeff Scovil.
Product details
Species
SizeThumbnail
Dimensions2.5 cm
Added on02/13/2026
Locality
Publications
- Mineralogical Record Refined Elegance page 103
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| — | Wayne and Dona Leicht | Not disclosed |
| — | Julius (1925-2010) and Miriam (1926-2014) Zweibel | Not disclosed |
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Mineral guide
Learn about Dioptase
vivid emerald-green crystals with glassy luster, often on white calcite or quartz; highly collectible due to color, clarity, and brittleness.Regional guide
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