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Quartz Psm Fluorite

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RPL1091719

Description Tabs

Description
Locality: 
Wheal Mary Ann, Menheniot, Cornwall, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.5 × 9 × 2.5 cm
Largest Crystal: 
1.20cm
Weight: 
151.00gr
Description

A thin quartz/chalcedony matrix has a face covered with nice sharp octahedral quartz replacements after octahedral fluorite. Some of the pseudomorphs have a later covering of fine chalcedony.

Some of the crystals are hollow and openings reveal quartz crystal linings and up to three successive generations of chalcedony replacement of the fluorite. Sits well for display.

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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$10
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Start 31 Dec 18:00
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Shipping Information

Postage Area Price
UK Inland
£4.50
Europe
£9.50
Rest of World
£9

Seller Information

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