Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.24-2.295.9-6.3
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Conchoidal
Conchoidal, Uneven
Cleavage
Very poor [100]
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
5-5.54.5-5
2
10
👆🏻
Chemical Composition
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references