Ferberite, Wolframite group

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Ferberite (Wolframite)
Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal

Item-No.: MIN1122
Price: 1200.00 EUR 
Ferberite (Wolframite)
Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal

Item-No.: MIN1291
Price: 195.00 EUR 
Siderite, Wolframite
Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã, Castelo Branco District, Portugal

Item-No.: MIN0156
Price: 480.00 EUR 
Wolframite, Zinnwaldite
Cínovec , Krušné Hory Mts, Ústí Region (Bohemia), Czech Republic

Item-No.: MIN0159
Price: 130.00 EUR 

Synonyms:  Ferrotungstate, Iron Tungstate,
Classification:  Oxides, Wolframite Group, Ferberite-Hübnerite Series
Chemical formula:  FeWO4
Crystal system:  Monoclinic
Density (g/cm3):  7,58 measured, 7,6 calculated
Tenacity:  Brittle
Cleavage:  Perfect on {010}
Fracture:  Irregular/Uneven
Hardness (Mohs):  4 - 4,5
Colour:  Black
Lustre:  Adamantine, Metallic, Sub-Metallic
Streak:  Brownish black to black
Type locality:  Niña Mine, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
Application:  Important ore of tungsten

 


 

 


 

 
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