Chalcedony and Sapphirine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
3.40-3.58
Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
Absent
{010} Perfect
Chemical Composition
SiO2
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chalcedony and Sapphirine Chemical Formula
While comparing Chalcedony and Sapphirine 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 Chalcedony and Sapphirine chemical formula.
- Chemical formula of Chalcedony- SiO2
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chalcedony and Sapphirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chalcedony and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.