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Diadochite & Jarosite

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SMM751560

Diadochite & Jarosite

Description Tabs

Description
Locality: 
Arcu su Linnarbu, Capoterra, Cagliari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2 × 2 cm
Description

A lot of milk-white hemispherical aggregates of diadochite crystals scattered on the matrix, together with yellow crystals of jarosite. Nice sample.

Boxed with Label
Mineral Data
What's on the rock

Diadochite

Formula: 
Fe3+2(PO4)(SO4)(OH)·5H2O
Strunz: 
8.DB.05
Hardness: 
3.0 - 4.0
Type Locality: 
Arnsbach, Hockeroda, Saalfeld, Thuringia, Germany

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

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