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Copper In Gypsum

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PDM577422

Copper In Gypsum

Description Tabs

Description
Locality: 
Mission Mine, San Xavier, Pima County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.1 × 0.7 cm
Description

Cleaved slice of a transparent gypsum crystal, included by dozens of bright dendritic-arborescent native copper crystals. A representative specimen from the Mission Mine of Arizona. Originally acquired in 1976 by Francois Verhallen (BE).

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

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