Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.44-2.623.16-3.23
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
Indiscernible
[0001] indistinct, [1010] indistinct
Mohs Hardness
2.5-5.55
2
10
👆🏻
Chemical Composition
H 4Mg 3Si 2O 9Walter Schumann , Gemstones of the world (2001) More from other references
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references