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Paracoquimbite Magnesiocopiapite Metavoltine

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SMM771330

Paracoquimbite Magnesiocopiapite Metavoltine

Description Tabs

Description
Locality: 
Argentiera Della Nurra Mine, Sassari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 0.8 cm
Description

Pale cyclamen small masses of paracoquimbite hexagonal crystals, pale yellow tabular aggregates of magnesiocopiapite crystals with gold-yellow groups of metavoltine microcrystals and white tufts of halotrichite. A very good sample.

Boxed with Label
Mineral Data
What's on the rock

Paracoquimbite

Formula: 
Fe2(SO4)3·9H2O
Strunz: 
7.CB.55
Hardness: 
2.5
Type Locality: 
Alcaparrosa Mine, Cerritos Bayos, Calama, El Loa Province, Antofagasta Region, Chile

Magnesiocopiapite

Formula: 
MgFe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Blythe, Riverside Co., California, USA

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

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