Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.782.60-2.65
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
{???} Distinct, {???} Indistinct
Perfect on {001}, very good on {010}, imperfect on {110}
Mohs Hardness
5-66-6.5
2
10
👆🏻
Chemical Composition
3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)