Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Quartz & Goethite

Views:
Watches:
ESM729311

Quartz & Goethite

Description Tabs

Description
Locality: 
Amerzgane, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3 cm
Description

A quartz geode with black goethite needles

Mineral Data
What's on the rock

Quartz

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