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Botryogen & Halotrichite

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SCH29918

Botryogen & Halotrichite

Description Tabs

Description
Locality: 
Rio Tinto Mines, Huelva, Andalusia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.2 × 6.5 × 5.7 cm
Description

A beautiful specimen formed by large deep orange botroygen crystals nestled among hairy halotrichite.

This closed locality has yielded some of the most aesthetic combos with sulphates.

Very rich and colorful specimen!

Mineral Data
What's on the rock

Botryogen

Formula: 
MgFe3+(SO4)2(OH)·7H2O
Strunz: 
7.DC.25
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Falun mine, Falun, Dalarna, Sweden

Halotrichite

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

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