Marialite and Augelite Physical Properties

Marialite

Augelite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.502.70-2.75

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Distinct on {100} and {110}

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

Mohs Hardness

5.5-64.5-5

2 10

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Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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

Marialite and Augelite Chemical Formula

While comparing Marialite and Augelite 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 Marialite and Augelite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Marialite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marialite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.