Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.54-2.613.13-3.26
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Perfect, {010} Good
None
Mohs Hardness
6-9999
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 5(F,Cl)(PO 4) 3Arthur Thomas , Gemstones (2009)