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Calcite & Goethite

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TPX216638

Calcite & Goethite

Description Tabs

Description
Locality: 
Herculano Mine, El Puntal, Campos de Golf, Atamaría, Cartagena, Murcia, Spain
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5.2 × 3.8 cm
Description

Spectacular calcite crystals on a goethite matrix. from this classic mine today closed.

Mineral Data
What's on the rock

Calcite

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

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

Seller Information

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