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Corkite Psilomelane & Goethite On Goethite

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SLN530957

Corkite Psilomelane & Goethite On Goethite

Description Tabs

Description
Locality: 
Cercal, Santiago do Cacém, Setúbal District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.1 × 7.3 × 5.6 cm
Weight: 
358.00gr
Description

Nice and interesting specimen from Portugal with a myriad of  well formed yellow-orange corkite crystals of excellent brightness in association with psilomelane in matt and shiny steel black balls and goethite in brow red radial crystals on matrix of massive 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

Seller Information

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