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Chalcocite With Silver & Malachite

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LGM194305

Chalcocite With Silver & Malachite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
7 × 11 × 3 cm
Description

Massive and heavy chalcocite with malachite and silver. Silver is very little, difficult to see, some small specks and grains in the chalcocite, I'm not sure about it. Comes with nice old Krantz label dated around 1900.
Weight: 630 grams

Mineral Data
What's on the rock

Chalcocite

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

Silver

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

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Seller Information

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