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Danburite
Kunzite
Kunzite and Danburite Physical Properties


Physical Properties
Tenacity
Brittle   
Not Available   
Solubility
Not Available   
Not Available   
Durability
Not Available   
Not Available   
Specific Gravity
2.97-3.03   
3.15-3.21   
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)   
Cleavage
{001} Poor   
1,2 prismatic   
Mohs Hardness
7   
6-7   
Chemical Composition
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
LiAlSi2O6   
Optical Properties >>
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