Apophyllite and Anorthoclase Physical Properties

Apophyllite

Anorthoclase

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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

2.30-2.502.56-2.62

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on (001)

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

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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

Apophyllite and Anorthoclase Chemical Formula

While comparing Apophyllite 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 Apophyllite and Anorthoclase chemical formula.

Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Apophyllite and Anorthoclase Specific Gravity

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