Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.82-3.972.55-2.57
1
7.18
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Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Perfect on [001] and [011]
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
5.5-66-6.5
2
10
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Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
KAlSi3O8