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Fluorite & Calcite

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ESM720797

Fluorite & Calcite

Description Tabs

Description
Locality: 
Artenberg Quarry, Steinach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 8.5 × 7 cm
Description

Green octahedral fluorite crystals on calcite scalenohedrons with hematite phantoms and minor pyrite (blue under UV)

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White