Sapphirine and Kyanite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.40-3.58
3.53-3.65
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Splintery, Brittle, Metallic
Cleavage
{010} Perfect
[100] perfect [010] imperfect with 79° angle between
Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Sapphirine and Kyanite Chemical Formula
While comparing Sapphirine and Kyanite 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 Sapphirine and Kyanite chemical formula.
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Sapphirine and Kyanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphirine and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.