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Amarillite & Fibroferrite

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ESM682344

Amarillite & Fibroferrite

Rare Mineral

Description Tabs

Description
Locality: 
Cerros Pintados, Pampa del Tamarugal, Tamarugal Province, Tarapacá Region, Chile
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 4.5 × 2.4 cm
Description

Orange amarillite crystals with sprays of white fibroferrite needles on matrix

Mineral Data
What's on the rock

Amarillite

Formula: 
NaFe(SO4)2·6H2O
Strunz: 
7.CC.75
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Tierra Amarilla, Copiapo Province, Atacama Region, Chile

Fibroferrite

Formula: 
Fe3+(SO4)(OH)·5H2O
Strunz: 
7.DC.15
Hardness: 
2.0 - 2.5
Type Locality: 
Tierra Amarilla, Copiapó Province, Atacama Region, Chile