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Ilsemannite Halotrichite & Jarosite

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ASC619975

Ilsemannite Halotrichite & Jarosite

Rare Mineral

Description Tabs

Description
Locality: 
Huskon Mines, Cameron Mining District, Coconino County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

Fibrous halotrichite coloured blue by ilsemannite. Tiny yellow-green crystals are jarosite (analysed)

Mineral Data
What's on the rock

Halotrichite

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

Jarosite

Formula: 
KFe3+ 3(SO4)2(OH)6
Strunz: 
7.BC.10
Crystal System: 
Trigonal - Pyramidal Class
Hardness: 
2.5 - 3.5
Type Locality: 
Jaroso Ravine, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
Labels
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