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  • White bertrandite and tiny pyrite cubes on smoky quartz
  • White bertrandite and sphalerite on smoky quartz

Quartz, bertrandite

€14.00
Tax included
Transparent smoky quartz crystals with bertrandite
Kara-Oba, Karaganda Region, Kazakhstan
Quantity
Available

A group of transparent smoky quartz crystals with tabular prismatic, white bertrandite crystals, tiny pyrite cubes, and black sphalerite

AN_438
1 Item

Data sheet

Locality
Kara-Oba W deposit, Karaganda Region, Kazakhstan
Size category
Small miniature
Size (cm)
3 x 3 x 2
Weight
14 g
Formula
SiO2; Be4(Si2O7)(OH)2 (bertrandite)
Properties
Vitreous; transparent; smoky brown