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Ferberite & Quartz

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RSL612705

Ferberite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Nederland, Sugarloaf, Boulder County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2.9 cm
Largest Crystal: 
0.20cm
Description

Very aesthetic group of sharp ferberite crystals, with an intense luster and deep black metallic color. They are disposed partially covering the quartz crystals. From Molier col. (Germany) with detailed labels. Very old specimen.

Acquired: 
1988
Mineral Data
What's on the rock

Ferberite

Formula: 
FeWO4
Strunz: 
4.DB.30
Crystal System: 
Monoclinic
Hardness: 
4.0 - 4.5
Type Locality: 
Niña Mine, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Labels
Label Images - only: Ferberite & Quartz
Label Images - only: Ferberite & Quartz