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Ferberite

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CR117226

Ferberite

Rare Mineral

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 3.5 × 2.5 cm
Largest Crystal: 
2.30cm
Description

Numerous glassy black ferberite crystals - to 2.3cm - grow together on a gemmy quartz crystal. A mass of small ivory sinoid calcite crystals grow around. The ferberite crystal terminations are either single or double terminated.This is from my own collection - I bought this from a miner in Baia Sprie in 1993.

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