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Brazilianite and Vesuvianite Idocrase Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-3.50   
2.98-2.99   

Fracture
Uneven, Uneven, Gemstones of the world (2001) More from other references   
Conchoidal, Gems   

Cleavage
Not Available   
(010) Distinct to good   

Mohs Hardness
Not Available   
5.5   

Chemical Composition
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.   
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

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