1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Uneven, Even, Yellow, White
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Perfect on the {001}
{001} Perfect, {010} Good
1.7 Mohs Hardness
1.8 Chemical Composition
K(Mg,Fe++)3[AlSi3O10(OH,F)2
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)