Pyrophyllite and Ajoite Physical Properties

Pyrophyllite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.902.96

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Not Available

1.6 Cleavage

{001} Perfect

Perfect on {010}

1.7 Mohs Hardness

Not Available5

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Pyrophyllite and Ajoite Chemical Formula

While comparing Pyrophyllite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Compare Blue Gemstones

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Pyrophyllite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.96 whereas that of Ajoite is 2.96.