Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.60-2.653.32
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
{???} Distinct, {???} Distinct, {???} Distinct
Mohs Hardness
6-6.5-9999
2
10
👆🏻
Chemical Composition
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)