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Cuprite & Malachite

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CSL94280

Cuprite & Malachite

Description Tabs

Description
Locality: 
Tynagh Mine, Killimor, County Galway, Irish Republic (Eire)
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.3 × 1.1 cm
Description

Nice thumbnail specimen features malachite sprays and massive cuprite. The black mineral hasn't been identified, but it could be wad (mixture of Mn-oxides) or tenorite.

Mineral Data
What's on the rock

Cuprite

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

Malachite

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

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