Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
4.80-4.905.00-5.30
1
7.18
👆🏻
Fracture
Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{010} Indistinct
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
6-6.56
2
10
👆🏻
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe 2O 3Arthur Thomas , Gemstones (2009)