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Sewardite & Carminite

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CSL500881

Sewardite & Carminite

Description Tabs

Description
Locality: 
Sonora Copper Mine, Benjamin Hill, Benjamin Hill Municipality, Sonora, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 3.5 × 1.7 cm
Description

Sewardite is a very rare Ca-Fe arsenate mineral, occurs as epitaxy on carminite. Confirmed material, SEM-EDS analysis shows many of these crystals built up by outer sewardite on inner carminite core  .
Very rich piece

Mineral Data
What's on the rock

Sewardite

Formula: 
CaFe3+2(AsO4)2(OH)2
Strunz: 
8.BH.30
Hardness: 
0.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

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
Loranth Minerals

Seller Information

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