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Ferberite & Quartz

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FRN118793

Ferberite & Quartz

Description Tabs

Description
Locality: 
Yaogangxian Mine, Hunan Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.5 × 2.4 cm
Largest Crystal: 
1.40cm
Description

Several lustrous black fully terminated crystals of ferberite forming a cluster of crystals are set aesthetically upon a matrix of crystallized quartz. The quartz crystals are glassy, transparent, and colorless.

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
Oriental Minerals