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Derriksite & Chalcomenite

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AMM1088017

Description Tabs

Description
Locality: 
Musonoi Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.6 × 0.9 cm
Description

Fine specimen richly decorated with lots of dark green derriksite crystals. In association with blue chalcomenite crystals. Optically very nice to look at!

Spceimen from type locality for derriksite. Derriksite is only known from two localities worldwide.

I wish you a happy and peaceful Christmas time!

Mineral Data
What's on the rock

Derriksite

Formula: 
Cu4(UO2)(SeO3)2(OH)6·H2O
Strunz: 
4.JG.30
Hardness: 
0.0
Type Locality: 
Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Chalcomenite

Formula: 
CuSeO3·2H2O
Strunz: 
4.JH.05
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 2.5
Type Locality: 
Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina

Seller Information

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Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.