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Jarosite & Goethite

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PAV955540

Jarosite & Goethite

Classic Locality

Description Tabs

Description
Locality: 
María Josefa Mine, Rodalquilar, Níjar, Almería, Andalusia, Spain
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.3 × 0.6 cm
Description

Beautiful jarosite sample with lots of orange crystals on a 'bed' of globular iridescent goethite.

A true joy to be observed under the scope!

Acquired: 
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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany