Kyanite

 

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Kyanite
Pomba pit, Serra das Eguas, Brumado, Bahia, Brazil

Item-No.: MIN6203
Price: 95.00 EUR 
Kyanite (Distene)
Pomba pit, Serra das Eguas, Brumado, Bahia, Brazil

Item-No.: MIN5759
Price: 145.00 EUR 
Kyanite (Distene)
Pomba pit, Serra das Eguas, Brumado, Bahia, Brazil

Item-No.: MIN0096
Price: 65.00 EUR 
Kyanite (Distene)
Pomba pit, Serra das Eguas, Brumado, Bahia, Brazil

Item-No.: MIN5894
Price: 68.00 EUR 
Kyanite (Distene)
Pomba pit, Serra das Eguas, Brumado, Bahia, Brazil

Item-No.: MIN5980
Price: 95.00 EUR 

Synonyms:  Cyanite, Distene, Disthene
Classification:  Silicates, nesosilicates
Chemical formula:  Al2SiO5
Crystal system:  Triclinic
Density (g/cm3):  3,53 - 3,67 measured, 3,67 calculated
Tenacity:  Brittle
Cleavage:  Perfect on {100}, good on {010}
Fracture:  Splintery
Hardness (Mohs):  5,5 - 7
Colour:  Blue, white, light gray, green, rarely yellow, orange, pink, black
Lustre:  Vitreous, Sub-Vitreous, Greasy, Pearly
Streak:  White
Application:  fireproof material, ceramics, jewellery

 


 

 


 

 
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Dr. Petr Zajicek
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