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Segnitite & Lepidocrocite

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SER192127

Segnitite & Lepidocrocite

Description Tabs

Description
Locality: 
Alto das Quelhas do Gestoso Mine, Gestoso, São Pedro do Sul, Viseu District, Portugal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2.5 cm
Description

Some vugs host quarz crystals covered by Yellow bright segnitite crystals and red tabular crystals of lepidocrocite

Mineral Data
What's on the rock

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia

Lepidocrocite

Formula: 
γ-Fe3+O(OH)
Strunz: 
4.FE.15
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
Orange
Type Locality: 
Zlaté Hory (Zuckmantel), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic