Pyrophyllite and Amazonite Physical Properties

Pyrophyllite

Amazonite

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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

2.65-2.902.55-2.57

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{001} Perfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

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

KAlSi₃O₈

Pyrophyllite and Amazonite Chemical Formula

While comparing Pyrophyllite and Amazonite 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 Pyrophyllite and Amazonite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Amazonite- KAlSi₃O₈

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Pyrophyllite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.