Sapphirine and Pyrophyllite Physical Properties

Sapphirine

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.582.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{010} Perfect

{001} Perfect

1.7 Mohs Hardness

7.5Not Available

2 10

1.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sapphirine and Pyrophyllite Chemical Formula

While comparing Sapphirine and Pyrophyllite 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 Pyrophyllite chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sapphirine and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.