Tenacity
-
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
-99995.00-5.30
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{???} Imperfect, {???} Imperfect
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
-99996
2
10
👆🏻
Chemical Composition
S8
Fe 2O 3Arthur Thomas , Gemstones (2009)