Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.65-2.902.24-2.29
1
7.18
👆🏻
Fracture
-
Uneven, Subconchoidal, Conchoidal
Cleavage
{001} Perfect
Very poor [100]
Mohs Hardness
-99995-5.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references