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Scorodite & Walentaite

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PDM666193

Scorodite & Walentaite

Description Tabs

Description
Locality: 
Oumlil Mine, Oumlil, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 5 × 3.5 cm
Description

Blueish grey gemmy lustrous isolated and well terminated crystals of scorodite on a hematite matrix that is partially covered at the rear side by canary yellow microcrystalline walentaite.

Found in September/2009.

Mineral Data
What's on the rock

Scorodite

Formula: 
Fe3+AsO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Stamm Asser Mine, Graul, Langenberg, Schwarzenberg District, Erzgebirge, Saxony, Germany

Walentaite

Formula: 
H(Ca,Mn2+,Fe2+)Fe3+3(AsO4,PO4)4·7H2O
Strunz: 
8.CH.05
Hardness: 
3.0
Type Locality: 
White Elephant Mine, Cicero Peak, Pringle, Custer District, Custer Co., South Dakota, USA

Seller Information

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