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Jarosite Natrojarosite & Kamarizaite

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AST843720

Jarosite Natrojarosite & Kamarizaite

Type Locality

Description Tabs

Description
Locality: 
Kamariza Mines, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2 cm
Description

Rich specimen of dark brown jarosite crystals with light brown natrojarosite microcrystal aggregates and whitish earthy kamarizaite (Lavrion type locality mineral). Very nice combination and display on both sides of specimen.

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

Natrojarosite

Formula: 
NaFe3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
2.5 - 3.5
Type Locality: 
Soda Springs Valley, Mineral Co., Nevada, USA

Kamarizaite

Formula: 
Fe3+3(AsO4)2(OH)3·3H2O
Hardness: 
0.0
Type Locality: 
Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

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