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Hydrotungstite & Ferberite

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JYJ857536

Hydrotungstite & Ferberite

Description Tabs

Description
Locality: 
San Antonio de Calacalani Mine, Cercado Province, Oruro Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 0.9 × 0.7 cm
Description

Beautiful yellow-green hydrotungstite associated with ferberite from the San Antonio de Calacalani mine, Bolivia. 

Comes with a colour printed analytical report no 1074.

 

Mineral Data
What's on the rock

Hydrotungstite

Formula: 
WO3·2H2O
Strunz: 
4.FJ.15
Hardness: 
2.0
Type Locality: 
San Antonio de Calacalani mine, Cercado Province, Oruro Department, Bolivia

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