Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Bertrandite On Smoky Quartz With Muscovite & Pyrite

Views:
Watches:
CLB83721

Bertrandite On Smoky Quartz With Muscovite & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Kara Oba, Karaganda Oblast, Kazakhstan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3 × 2.3 cm
Description

White bertrandite crystals, well-developed bronce-brownish muscovite crystals and pyrite cubes on smoky quartz.

A fine little combination.

Mineral Data
What's on the rock

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

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Seller Information

Payment options: offline, paypal_wpp, paypal_wps