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Pyrolusite & Hausmannite

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PJM112753

Pyrolusite & Hausmannite

Ex J & D Leach Collection #1581

Description Tabs

Description
Locality: 
Overhang Open Cut, Cloncurry, Cloncurry Shire, Queensland, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2 × 1.4 cm
Description

A low domed cluster of chisel like bladed pyrolusite crystals and some small pyramidal hausmannite crystals

Mined for manganese oxide, for the Mary Kathleen uranium acid treatment plant.

Mineral Data
What's on the rock

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5

Hausmannite

Formula: 
Mn2+Mn3+2O4
Strunz: 
4.BB.10
Hardness: 
5.5
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany
Earthstones Australia

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