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Quartz Psm Fluorite

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PDM729275

Quartz Psm Fluorite

Pseudomorph

Description Tabs

Description
Locality: 
Ouray, Ouray County, Colorado, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5.1 × 4.3 cm
Description

Aggregate of octahedral fluorite crystals transformed to an aggregate of polycrystalline quartz. The pseudomorphs are hollow with the matrix composed of green fluorite. This is from a classic USA locality, and the specimens are scarce in the market!.

Ex. Paul Bongaerts specimen.

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

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