1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.2 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.253.82-3.97
1
7.18
1.6 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
1.7 Cleavage
Not Available
Perfect on [001] and [011]
1.8 Mohs Hardness
1.11 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references