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Carminite Pharmacosiderite & Beudantite

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PAV864515

Carminite Pharmacosiderite & Beudantite

Classic Locality

Description Tabs

Description
Locality: 
Alto das Quelhas do Gestoso Mine, Gestoso, São Pedro do Sul, Viseu District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.2 × 1.8 cm
Description

Beautiful urchins of deep red carminite, associated to yellow cubes of pharmacosiderite and brownish beudantite.

 

Collected: 
2003
Boxed with Label
Mineral Data
What's on the rock

Carminite

Formula: 
PbFe3+2(AsO4)2(OH)2
Strunz: 
8.BH.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Type Locality: 
Louise Mine, Bürdenbach, Altenkirchen, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany

Pharmacosiderite

Formula: 
KFe3+4(AsO4)3(OH)4·6-7H2O
Strunz: 
8.DK.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Beudantite

Formula: 
PbFe3(AsO4)(SO4)(OH)6
Strunz: 
8.BL.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Type Locality: 
Louise Mine, Bürdenbach, Altenkirchen, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany