1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Gems, Sixth Edition (2006)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Indiscernible
On {10 1 0}, perfect; parting on {000 1 }
1.7 Mohs Hardness
1.8 Chemical Composition
Quartz: SiO2 Rutile: TiO2
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)