Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.783.2-3.4
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven
Cleavage
{???} Distinct, {???} Indistinct
Perfect on [001] imperfect on [100]
Mohs Hardness
5-63
2
10
👆🏻
Chemical Composition
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)