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Uraninite & Chalcocite

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UVM742914

Uraninite & Chalcocite

Radioactive

Description Tabs

Description
Locality: 
Hideout Mine, Deer Flat, San Juan County, Utah, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.8 × 2.1 cm
Description

An excellent specimen of intergrown uraninite with chalcocite from the Hideout Mine.   This specimen was collected by Otto Ray, a field geologist who collected many specimens during the height of the Colorado Plateau uranium boom.

Mineral Data
What's on the rock

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Chalcocite

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

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