Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Hausmannite & Andradite

Views:
Watches:
PDM802303

Hausmannite & Andradite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.2 × 2 cm
Largest Crystal: 
0.80cm
Description

Group of lustrous black stepped pseudoctahedral crystals of hausmannite with granny surfaces due to parallel growths, on a mass of lustrous pale brown andradite crystals.

Bought in 1990, it is an Ex Johann Muizebelt specimen.

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

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps