Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-4.105.00-5.30
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
none
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
6.5-76
2
10
👆🏻
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Fe 2O 3Arthur Thomas , Gemstones (2009)