Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.9-6.32.24-2.29
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Uneven, Subconchoidal, Conchoidal
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Very poor [100]
Mohs Hardness
4.5-55-5.5
2
10
👆🏻
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references