Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.00-5.305.90-6.10
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
{110} Distinct, {001} Indistinct, {100} Indistinct
Mohs Hardness
62.5-3
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references