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Goethite

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LGM974017

Goethite

ex Freiberg Mining Academy Mineral Dealership, Saxony, Germany
With Antique Label

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Description Tabs

Description
Locality: 
Rožňava, Rožňava County, Košice Region, Slovakia (Slovak Republic)
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 8 × 3 cm
Weight: 
233.00gr
Description

Ore specimen consisting of massive brown goethite.

Comes with antique label of the K.S. (Königlich-Sächsische) Mineralien-Niederlage zu Freiberg, (Royal saxon mineral repository, Freiberg), in the hand of Wilhelm Maucher, who was Faktor in 1904-1909.

Mining around the city of Rožňava takes place since the Middle Ages. Rožňava consists of the suburbs Nadabula (incorporated in 1960), Rožňava and Rožňavská Baňa. The area is part of slovakia since the end of WW I.

Stilpnosiderit = goethite ± ferrihydrite, Dana 6th, 250 (1892).

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

Seller Information

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Seller's terms and conditions

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