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Creedite & Smoky Quartz

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NST703205

Creedite & Smoky Quartz

Classic Locality

Description Tabs

Description
Locality: 
Akchatau Mine, Akchatau, Shet, Karaganda Oblast, Kazakhstan
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.3 × 9.3 × 5.5 cm
Description

A very fine display specimen of sharp and lustrous, violet crystals of Creedite on Smoky Quartz from this well known locality.

Mineral Data
What's on the rock

Creedite

Formula: 
Ca3SO4Al2F8(OH)2·2H2O
Strunz: 
3.CG.15
Crystal System: 
Monoclinic
Hardness: 
4.0
Streak: 
white
Type Locality: 
Colorado Fluorspar Co. Mine, Wagon Wheel Gap, Mineral Co., Colorado, USA

Smoky Quartz

Variety Of: 

Quartz

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