Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Quartz On Fluorite With Pyrite & Ankerite

Views:
Watches:
LCM54571

Quartz On Fluorite With Pyrite & Ankerite

Fluorescent

Description Tabs

Description
Locality: 
Groverake Mine, Rookhope, Weardale, County Durham, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 3 cm
Description

A well formed group of quartz crystals sitting on highly fluorescent pale green fluorite cubes covered with a light dusting of pyrite in places. The fluorite cubes are sitting on pale brown ankerite which is exposed to one side.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Pyrite

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

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria
Lakeland Crystals and Minerals
Item Toolbox