Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.9-6.33.1-3.5
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Granular
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
None
Mohs Hardness
4.5-55-6
2
10
👆🏻
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)