Tenacity
Brittle
Brittle
Solubility
insoluble in water
-
Durability
-
-
Specific Gravity
5.00-5.203.87-4.14
1
7.18
👆🏻
Fracture
Uneven, Conchoidal, ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
Indistinct on {001}; partings on {011} and {111}
Poor on {120}, in traces on {001}
Mohs Hardness
6-6.55.5-6
2
10
👆🏻
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references