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Metavoltine & Bonattite & Coquimbite

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HEF602714

Metavoltine & Bonattite & Coquimbite

Description Tabs

Description
Locality: 
La Compania Mine, Sierra Gorda, Antofagasta Region, Chile
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
11.6 × 4.5 × 3.5 cm
Description

Brownish metavoltine - quite rich !! - in pale violet cuquimbite with some pale blue bonatite

Mineral Data
What's on the rock

Metavoltine

Formula: 
Na6K2FeFe6(SO4)12O2·18H2O
Strunz: 
7.DF.35
Hardness: 
2.5
Type Locality: 
Zagh Mine (Tangeh Zagh mine; Madeni Zakh), Haji Abad town, Bandar Abbas (Bandar-e Abbas), Bandar-Abbas County, Hormozgan Province, Iran

Bonattite

Formula: 
CuSO4·3H2O
Strunz: 
7.CB.10
Crystal System: 
Monoclinic
Hardness: 
0.0
Colour: 
Pale blue
Type Locality: 
Macei stope, Cape Calamita Mine (Calamita Mine), Capoliveri, Elba Island, Livorno Province, Tuscany, Italy

Coquimbite

Formula: 
Fe2-xAlx(SO4)3·9H2O, x ~0.5
Strunz: 
7.CB.55
Hardness: 
2.5
Streak: 
white
Type Locality: 
Coquimbo Region, Chile

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