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Derriksite with Demesmaekerite & Chalcomenite

#52944
SOLD
Derriksite from Musonoi mine, Kolwezi, Shaba Cu belt, DR of Congo - 52944
Derriksite from Musonoi mine, Kolwezi, Shaba Cu belt, DR of Congo - 52944

Derriksite with Demesmaekerite & Chalcomenite

#52944
Availability
Sold
Size
5.5 x 4 x 3.5 cm - Sm Cabinet 
Formula
Cu4(UO2)(Se4+O3)2(OH)6 (RRUFF)
Locality
Musonoi mine, Kolwezi, Shaba Cu belt, DR of Congo
Tagged
copper

Rich, excellent specimen of Derriksite with a few other goodies. The Derriksite, at the red arrows, is glassy, dark green, somewhat prismatic crystals around 1mm and in clusters to from 2-4mm. The Demesmaekerite, at the orange arrows, is an olive green elongated crystals to 3mm. The Chalcomenite is a beautiful glassy blue color at the blue arrow. It is an ex William Pinch specimen.

Radioactive!!

Derriksite

Formula
Cu4(UO2)(Se4+O3)2(OH)6 
Crystal System
Orthorhombic 
Cleavage
Perfect, Good, None 
Color
bottle green, green 
Class
Orthorhombic - Pyramidal 
Hardness
- 

Data courtesy of Webmineral.

Special Info
Radioactive!!
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