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Mimetite & Goethite

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ESM780559

Mimetite & Goethite

Description Tabs

Description
Locality: 
Touissit, Jerada Province, Oriental Region, Morocco
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4 × 3 cm
Description

Lustrous yellow-green barrel-shape mimetite crystals on goethite

Mineral Data
What's on the rock

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

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