Tenacity
-
Brittle
Solubility
-
Easily soluble in cold dilute HCl
Durability
-
-
Specific Gravity
2.24-2.294.12
1
7.18
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Fracture
Uneven, Subconchoidal, Conchoidal
Uneven
Cleavage
Very poor [100]
Good in two directions parallel to the prism faces {110}
Mohs Hardness
5-5.54-4.5
2
10
👆🏻
Chemical Composition
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
CaZn(AsO4)(OH)