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Jarosite

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PAV965932

Jarosite

Classic Locality

Description Tabs

Description
Locality: 
Serra da Mina Mine, Cercal, Santiago do Cacém, Setúbal District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.9 × 2.7 × 1.7 cm
Description

Very nice jarosite sample with several generations of caramel brown crystals on goethite.

Collected: 
2021
Boxed with Label
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