1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.13 Fracture
Gems, Sixth Edition (2006)
Conchoidal, Brittle
1.14 Cleavage
Indiscernible
{001} perfect; {111} imperfect, may exhibit parting on , {011}
1.15 Mohs Hardness
1.16 Chemical Composition
Quartz: SiO2 Rutile: TiO2
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)