1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.635.51-5.64
1
7.18
1.5 Fracture
Uneven, Uneven, Gems
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{001} Perfect, {010} Good
Distinct on {10 1 1}
1.7 Mohs Hardness
1.8 Chemical Composition
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references