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Gerhardtite Rouaite Buttgenbachite Cuprite & Copper

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PDM859068

Gerhardtite Rouaite Buttgenbachite Cuprite & Copper

Rare Mineral

Description Tabs

Description
Locality: 
Tenke-Fungurume Area, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.3 × 0.6 cm
Largest Crystal: 
0.40cm
Description

Specimen of lustrous ruby red, partially crystallized cuprite with gemmy cubic crystals and lustrous native copper with the cavities partially or totally filled by greenish-blue crystallized intergrown rouaite-gerhardtite, with gemmy areas, and minor acicular royal blue buttgenbachite crystals.

Representative specimen of this recently found pieces (2019) at the Tenke-Fungurume area.

Mineral Data
What's on the rock

Gerhardtite

Formula: 
Cu2(NO3)(OH)3
Strunz: 
5.NB.05
Crystal System: 
Orthorhombic
Hardness: 
2.0
Type Locality: 
United Verde Mine (The Big Hole; Big Hole property; Hull Mine; Hopewell tunnel; Patented claim 3480; Patented claim 2812; Patented claims 3348), Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA

Rouaite

Formula: 
Cu2(NO3)(OH)3
Strunz: 
5.NB.05
Hardness: 
0.0
Type Locality: 
Roua Mines (Clue de Roua), Daluis, Guillaumes, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France...

Buttgenbachite

Formula: 
Cu19(NO3)2(OH)32Cl4·2H2O
Strunz: 
3.DA.25
Crystal System: 
Hexagonal
Hardness: 
3.0
Type Locality: 
Likasi Mine (Panda Mine), Likasi (Jadotville; Jadotstad), Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Cuprite

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

Copper

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

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