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Fluorite & Dolomite

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SER823006

Fluorite & Dolomite

Description Tabs

Description
Locality: 
Medina Pegmatite, Pedra Azul, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.1 × 3.8 cm
Largest Crystal: 
2.40cm
Description

a cluster of bi-coloured fluorite crystals with tiny cream balls of dolomite ; some little dings but the aesthetica is not damaged

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White