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Lepidocrocite & Segnitite

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CHP916214

Lepidocrocite & Segnitite

Classic Locality

Description Tabs

Description
Locality: 
Lagoa Mine, Estorãos, Ponte de Lima, Viana do Castelo District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.1 × 2 cm
Description

specimen with some very good aggregates of dark reddish balls of lepidocrocite with groups of yellow crystals of senitite.

ex personal collection Pedro Alves

c. 4479

Mineral Data
What's on the rock

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

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

Seller Information

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