Sapphirine and Zinnwaldite Physical Properties
Tenacity
Not Available
Elastic
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.40-3.58
2.9-3.1
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Uneven
Cleavage
{010} Perfect
Perfect basal {001}
Mohs Hardness
7.5
3.5-4.0
Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Sapphirine and Zinnwaldite Chemical Formula
While comparing Sapphirine and Zinnwaldite 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 Zinnwaldite 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 Zinnwaldite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphirine and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.