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Fluorite & Quartz

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SCH33424

Fluorite & Quartz

Ex John J Durkos

Description Tabs

Description
Locality: 
Weardale, County Durham, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 6.2 × 3.1 cm
Description

A cluster of fluorite has grown as a knob extending into a pocket.

Later, quartz crystals covered the surface of the fluorite cluster.

Some fluorite crystals has been encased in quartz. Some dings, but old pretty specimen from the collection of John J. Durkos.

Mineral Data
What's on the rock

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

Quartz

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

Seller Information

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