Gahnite and Chlorastrolite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.00-4.62
3.1-3.5
Fracture
Conchoidal, Uneven
Granular
Cleavage
Indistinct parting on [111]
Not Available
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Gahnite and Chlorastrolite Chemical Formula
While comparing Gahnite and Chlorastrolite 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 Gahnite and Chlorastrolite chemical formula.
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Gahnite and Chlorastrolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.