Sapphirine and Phlogopite Physical Properties

Sapphirine

Phlogopite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

Not Available

1.2 Durability

Not Available

1.4 Specific Gravity

3.40-3.582.78-2.85

1 7.18

1.6 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

None, Uneven

1.7 Cleavage

{010} Perfect

Perfect basal (001)

1.8 Mohs Hardness

7.52-2.5

2 10

1.11 Chemical Composition

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Sapphirine and Phlogopite Chemical Formula

While comparing Sapphirine and Phlogopite 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 Phlogopite 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 Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.