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Dioptase
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.
Unknown Owner
Product details
Species
Locality
Sanda mine, M’Bumba Valley, Mindouli District, Brazzaville, Republic of Congo
Publications
- Mineralogical Record Refined Elegance page 103
Added on02/13/2026
Comments
Known provenance
Unknown date
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
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