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Jarosite & Aragonite

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SHS137767

Jarosite & Aragonite

Description Tabs

Description
Locality: 
Lautenthal, Goslar, Lower Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.4 × 0.7 cm
Description

Jarosite crystals and aragonite on matrix

Mineral Data
What's on the rock

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain