Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.90-4.002.98-3.10
1
7.18
👆🏻
Fracture
Conchoidal
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Perfect on {001}, good on {210}, poor on {010}
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
3-3.56
2
10
👆🏻
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references