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Sengierite & Chalcocite

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UVM602293

Sengierite & Chalcocite

Radioactive

Description Tabs

Description
Locality: 
Cole Shaft, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 0.6 cm
Description

An excellent specimen of sengierite from Bisbee.   This specimen features electric green crystalline masses outcropping in chalcocite.   Sengierite is an uncommon copper bearing member of the carnotite group.

Mineral Data
What's on the rock

Sengierite

Formula: 
Cu2(UO2)2(VO4)2·6H2O
Strunz: 
4.HB.10
Hardness: 
2.5
Type Locality: 
Luiswishi Mine, Lubumbashi (Elizabethville), Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Chalcocite

Formula: 
Cu2S
Strunz: 
2.BA.05
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0

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