Albite and Pyrophyllite Physical Properties

Albite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.652.65-2.90

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}

{001} Perfect

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Albite and Pyrophyllite Chemical Formula

While comparing Albite 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 Albite and Pyrophyllite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Albite and Pyrophyllite Specific Gravity

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