Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tsumgallite & Söhngeite

Views:
Watches:
SKY688651

Tsumgallite & Söhngeite

Type Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.6 × 0.5 cm
Description

White microcrystals of the extremely rare gallium mineral tsumgallite associated to beige microcrystals of the other extremely rare gallium mineral sohngeite, in a contrastring matrix from Tsumeb. The specimen has at least one well formed tsumgallite crystal (photo 1).

Both minerals, tsumgallite and sohngeite, are only found at Tsumeb worldwide !

Gallium minerals are extremely rare in Nature since only 7 from more than 5400 mineral species known are gallium minerals.

Sohngeite was labeled as RRR (extremely rare, single occurrence with less than 10 specimens known)  in Gebhard Tsumeb book.

Don't miss the opportunity to get these two extreme gallium minerals in a single specimen !

1972 Find. Ex-Ilse Baer 

Mineral Data
What's on the rock

Tsumgallite

Formula: 
GaO(OH)
Strunz: 
4.FD.10
Hardness: 
1.0 - 2.0
Streak: 
white
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Söhngeite

Formula: 
Ga(OH)3
Strunz: 
4.FC.05
Hardness: 
0.0
Colour: 
Brown
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps