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Lepidocrocite

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GND106046

Lepidocrocite

Classic Locality

Description Tabs

Description
Locality: 
Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.7 × 1.5 cm
Description

While not a particularly rare mineral, it is relatively uncommon for it to form distinct crystals. It is dimorphous with goethite.

In this specimen it forms packed masses of radiating wedge shaped crystals as well as some individual crystals on goethite/hematite matrix. The colour is a dark reddish brown.

 

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
Gondwana Minerals