Anorthite and Amazonite Physical Properties

Anorthite

Amazonite

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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

2.772.55-2.57

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

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

KAlSi₃O₈

Anorthite and Amazonite Chemical Formula

While comparing Anorthite and Amazonite 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 Anorthite and Amazonite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Amazonite- KAlSi₃O₈

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Anorthite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.