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Hausmannite With Hematite

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SMS1077343

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6.5 × 2.4 cm
Weight: 
94.44gr
Description

The specimen is a compacted mass of crystals together of both hematite and hausmannite. The outer surface largely consists of complex pyramidal crystals of hausmannite made up of numerous smaller crystals of pyramidal hausmannite. Hematite crystals are more evident on the underside and follow a complex habit. The complex hausmannite crystals are more or less 0.7cm on edge and some of them do have abrasions.

Mineral Data
What's on the rock

Hausmannite

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Current price

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Start 18 Oct 18:00
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Postage Area Price
Europe up to 500 grams
$12
Europe up to 1 kilogram
$16
United States up to 500 grams
$14
United States up to 1 kilogram
$18
Rest of world up to 500 grams
$14
Rest of world up to 1 kilogram
$18

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