Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.54-2.612.54-2.78
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Perfect, {010} Good
Good in three directions
Mohs Hardness
65-6
2
10
👆🏻
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references