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Andradite On Hausmannite

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SMS1084262

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.7 × 1.3 cm
Largest Crystal: 
0.50cm
Weight: 
8.24gr
Description

A cluster of hausmannite crystals with andradite and minor micaceous bementite. The andradite has a deep orange-pink tint. The hausmannite is made up off well formed dipyramidal crystals with well defined angular edges with a number of pyramids defining the profile silhoette. The cluster also has intergrown crystals and there are a number of small crystals. The largest crystal measures 0.5cm.

Mineral Data
What's on the rock

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Hausmannite

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

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$10
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Start 23 Nov 18:00
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Shipping Information

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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Bid History

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