Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.34-2.513.23-3.26
1
7.18
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Fracture
-
Conchoidal
Cleavage
None
Perfect on {010} imperfect on {100}
Mohs Hardness
-99996.5-7
2
10
👆🏻
Chemical Composition
SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)