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Voltaite & Halotrichite

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SHS177218

Voltaite & Halotrichite

Description Tabs

Description
Locality: 
Meggen Mine, Lennestadt, Sauerland, North Rhine - Westphalia, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.5 × 1.2 cm
Description

Voltaite and halotrichite on matrix

Mineral Data
What's on the rock

Voltaite

Formula: 
K2Fe2+5Fe3+3Al(SO4)12·18H2O
Strunz: 
7.CC.25
Hardness: 
3.0 - 3.5
Type Locality: 
Solfatara di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples Province, Phlegrean Volcanic Complex, Campania, Italy

Halotrichite

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