1 Physical Properties
1.1 Tenacity
1.3 Solubility
Not Available
insoluble in water
1.6 Durability
Not Available
Not Available
1.8 Specific Gravity
1.98-2.505.00-5.20
1
7.18
1.9 Fracture
Conchoidal
Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
1.10 Cleavage
Not Available
Indistinct on {001}; partings on {011} and {111}
1.11 Mohs Hardness
1.14 Chemical Composition
Not Available
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references