Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.24-2.292.60-2.65
1
7.18
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Fracture
Uneven, Subconchoidal, Conchoidal
Uneven, Conchoidal
Cleavage
Very poor [100]
Perfect on {001}, very good on {010}, imperfect on {110}
Mohs Hardness
5-5.56-6.5
2
10
👆🏻
Chemical Composition
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)