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Goethite Var Goethite On Smoky Quartz

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CLB102575

Goethite Var Goethite On Smoky Quartz

ex coll. Kles, Theley
Classic Locality

Description Tabs

Description
Locality: 
Becker Quarry, Freisen, Sankt Wendel, Saarland, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 2.8 × 3 cm
Largest Crystal: 
1.00cm
Description

Goethite as so-called 'Nadeleisenerz' (needle-iron-ore) from Freisen is very rare nowadays and sought after. Here we have a nice sample with rather long needles up to 1 cm on smoky quartz

Mineral Data
What's on the rock

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

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