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Corkite & Goethite

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Corkite & Goethite

Description Tabs

Description
Locality: 
Cercal, Santiago do Cacém, Setúbal District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.8 × 0.5 cm
Description

hundreds yellow corkite crystals on goethite

Mineral Data
What's on the rock

Corkite

Formula: 
PbFe3(PO4)(SO4)(OH)6
Strunz: 
8.BL.05
Hardness: 
3.5 - 4.5
Type Locality: 
Glandore Mine (Aghatubrid Mine; Glendore Mine), Glandore, Co. Cork, Ireland

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
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