Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.9-6.32.58-2.74
1
7.18
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Fracture
Conchoidal, Uneven
ConchoidalWalter Schumann, Splintery
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
{100} Distinct, {110} Distinct
Mohs Hardness
4.5-55.5-6
2
10
👆🏻
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references