Riebeckite and Amazonite Physical Properties

Riebeckite

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

3.28-3.44

2.55-2.57

1.5 Fracture

Uneven, Splintery, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

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

1.7 Mohs Hardness

5.0-6.0

6-6.5

1.8 Chemical Composition

Not Available

KAlSi₃O₈

Riebeckite and Amazonite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Amazonite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈

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Riebeckite and Amazonite Specific Gravity

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