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Delafossite On Cuprite

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CR169149

Delafossite On Cuprite

Rare Mineral
With Antique Label

Description Tabs

Description
Locality: 
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.3 × 3 cm
Description

This is an extremely good and rich specimen of the rare mineral delafossite.

Lustrous black-grey delafossite crystals on deep red cuprite crystals.

Very beautiful old time specimen with nice old label. Ex Maucher collection.

Mineral Data
What's on the rock

Delafossite

Formula: 
CuFeO2
Strunz: 
4.AB.15
Crystal System: 
Trigonal
Hardness: 
5.5
Streak: 
Black
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

Cuprite

Formula: 
Cu2O
Strunz: 
4.AA.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0