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, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Not Available
1.6 Cleavage
None, may show partings on {0001} and {10 1 1}
{001} Perfect
1.7 Mohs Hardness
1.8 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)