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Fluorite & Tourmaline

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PCZ733842

Fluorite & Tourmaline

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 1.6 × 1.7 cm
Description

An amazing specimen of octahedral Fluorite bright faces on black tourmaline. The fluorite crystals are nearly colorless, with dark purple zones along both edges and corners. Many needle crystals of schorl are intergrown in the fluorite. No visible damage. Beautiful display.

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

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7
Peter Crozier Minerals