Albite and Anorthoclase Physical Properties

Albite

Anorthoclase

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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

2.60-2.652.56-2.62

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

From the Greek for oblique and fracture, descriptive of the cleavage

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

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

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Albite and Anorthoclase Chemical Formula

While comparing Albite and Anorthoclase 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 Anorthoclase chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Albite and Anorthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Albite is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.