Brookite and Smoky Quartz Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.87-4.14
2.65
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Poor on {120}, in traces on {001}
{0110} Indistinct
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Brookite and Smoky Quartz Chemical Formula
While comparing Brookite and Smoky Quartz physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Brookite and Smoky Quartz chemical formula.
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Smoky Quartz- SiO2
Brookite and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brookite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.65 whereas that of Smoky Quartz is 2.65.