Chlorastrolite and Brookite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.5
3.87-4.14
Fracture
Granular
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Not Available
Poor on {120}, in traces on {001}
Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chlorastrolite and Brookite Chemical Formula
While comparing Chlorastrolite and Brookite 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 Chlorastrolite and Brookite chemical formula.
- Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chlorastrolite and Brookite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.