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Quartz Psm Fluorite Hematite Fluorite & Quartz

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CLB546558

Quartz Psm Fluorite Hematite Fluorite & Quartz

Pseudomorph

Description Tabs

Description
Locality: 
Friedrichroda, Gotha, Thuringia, Germany
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 9.5 × 5.5 cm
Description

One of the weirdest but most interesting fluorite specimen I've ever seen. All botryoidal structures here are basically fluorite. There are quartz crystals covering colorless fluorite spheres (a perimorph/epimorph), a full beige fluorite ball in one corner, broken fluorite balls and negative imprints of - guess what - in quartz + hematite covering or replacing fluorite b...

Some bigger quartz crystals too.

Do I have to say 'very very rare'!?

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

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