Hackmanite and Chalcedony Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.27-2.33
2.55-2.70
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Cleavage
Not Available
Absent
Mohs Hardness
5.5-6
6.5-7
Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2
Hackmanite and Chalcedony Chemical Formula
While comparing Hackmanite and Chalcedony 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 Hackmanite and Chalcedony chemical formula.
- Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Chalcedony- SiO2
Hackmanite and Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hackmanite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.