Augelite and Anorthite Physical Properties

Augelite

Anorthite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.752.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Augelite and Anorthite Chemical Formula

While comparing Augelite and Anorthite 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 Augelite and Anorthite chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Augelite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 2.77 whereas that of Anorthite is 2.77.