1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.00-5.302.55-2.63
1
7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Uneven, Uneven, Gems
1.6 Cleavage
None, may show partings on {0001} and {10 1 1}
{001} Perfect, {010} Good
1.7 Mohs Hardness
1.8 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
KAlSi 3O 8Arthur Thomas , Gemstones (2009)