Allanite and Sapphirine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.40-4.20
3.40-3.58
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
Not Available
{010} Perfect
Mohs Hardness
Not Available
7.5
Chemical Composition
Not Available
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Allanite and Sapphirine Chemical Formula
While comparing Allanite 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 Allanite and Sapphirine chemical formula.
>- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Allanite and Sapphirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Allanite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Allanite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.