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Quartz-beta Quartz Marcasite & Turgite On Fluorite

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SLN214209

Quartz-beta Quartz Marcasite & Turgite On Fluorite

Description Tabs

Description
Locality: 
Erfoud, Errachidia Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 9.3 × 6.6 cm
Largest Crystal: 
2.00cm
Description

Aesthetic specimen from Morocco of quartz var beta quartz in big bipyramidal crystals with faces of growth showing beautiful inclusions associated with marcasite and reddish purple turgite balls on matrix of blue fluorite. The biggest quartz crystal measure 2 X 1.3 Cm.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Turgite

Mixture Of: 

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Hardness: 
5.0 - 5.5

Hematite

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

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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