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Goethite & Malachite

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RAF168725

Goethite & Malachite

Description Tabs

Description
Locality: 
KOV Open Pit, Kamto, Kolwezi, Lualaba, DR Congo
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.2 × 3 cm
Largest Crystal: 
1.50cm
Description

A remarkable specimen of malachite tufts on boytryoidal goethite. The detail is tremendous! Largest malachite tuft is 1.5cm. Comes form KOC open pit, Congo. Very choice...

145 gr

Mineral Data
What's on the rock

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Malachite

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