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Sapphirine
Sapphirine

Allanite
Allanite



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Sapphirine
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Allanite

Sapphirine and Allanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
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1.3 Durability
Not Available
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1.4 Specific Gravity
3.40-3.583.40-4.20
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Not Available
1.6 Cleavage
{010} Perfect
Not Available
1.7 Mohs Hardness
7.5Not Available
Amber
2 10
1.8 Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Sapphirine and Allanite Chemical Formula

While comparing Sapphirine and Allanite 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 Allanite chemical formula.

  • Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Sapphirine and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Allanite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 3.40-4.20 whereas that of Allanite is 3.40-4.20.