Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Hübnerite With Bertrandite

Views:
Watches:
SUR15529

Hübnerite With Bertrandite

Description Tabs

Description
Locality: 
Kara Oba, Karaganda Oblast, Kazakhstan
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 0.6 cm
Description

Lustrous twinned black crystals of huebnerite, well terminated with a layer of pale greenish bertrandite crystals on the back side.

There are also some tiny pyrite cubes amongst the bertrandite.

Mineral Data
What's on the rock

Hübnerite

Formula: 
MnWO4
Strunz: 
4.DB.30
Crystal System: 
Monoclinic
Hardness: 
4.0 - 4.5
Type Locality: 
Erie and Enterprize veins, Ellsworth Mine, Ellsworth, Ellsworth District (Mammoth District), Paradise Range, Nye Co., Nevada, USA

Bertrandite

Formula: 
Be4(Si2O7)(OH)2
Strunz: 
9.BD.05
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 7.0
Type Locality: 
Petit-Port, Nantes, Loire-Atlantique, Pays de Loire, France
Surrey Minerals