Tenacity
Brittle
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
5.00-5.30-9999
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
-
Cleavage
None, may show partings on {0001} and {10 1 1}
{???} Imperfect, {???} Imperfect
Mohs Hardness
6-9999
2
10
👆🏻
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
S8