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Goethite

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NST729726

Goethite

Dipl. Ing. W. Maucher, Munich
With Antique Label

Description Tabs

Description
Locality: 
Crystal Peak, Teller County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 6.5 × 3.8 cm
Description

Excellent old timer from Crystal Peak. Lustrous, hegdehog like sprays of goethite on hematitic matrix.

Comes with a handwritten early 20th century label of famous german dealer Dipl. Ing. W. Maucher.

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