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Kornerupine
Kornerupine

Vanadinite
Vanadinite



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Kornerupine
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Vanadinite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.25-3.45
Conchoidal, Uneven
Good on {110}
6.5
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
-
-
6.8-7.1
Uneven, Conchoidal
None
3-4
C20H36