Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.723.05-3.08
1
7.18
👆🏻
Fracture
-
Subconchoidal, Uneven, Conchoidal
Cleavage
{110} Perfect, {010} Perfect
Poor on {100}
Mohs Hardness
5-65
2
10
👆🏻
Chemical Composition
Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)