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Copiapite & Halotrichite

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TPX889533

Copiapite & Halotrichite

Classic Locality

Description Tabs

Description
Locality: 
San Cristóbal Hill, Mazarrón, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.3 × 1 cm
Weight: 
25.00gr
Description

Very interesting specimen of copiapite and halotrichite in a shale matrix, this specimen has been formed due to the decomposition of pyrites found in the waste from this emblematic deposit.

Mineral Data
What's on the rock

Copiapite

Formula: 
Fe2+Fe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Copiapó Province, Atacama Region, Chile

Halotrichite

Formula: 
FeAl2(SO4)4·22H2O
Strunz: 
7.CB.85
Hardness: 
1.5 - 2.0
Streak: 
White

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