Amazonite and Bertrandite Physical Properties

Amazonite

Bertrandite

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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

2.55-2.572.59-2.60

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

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

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

6-6.56-7

2 10

1.8 Chemical Composition

KAlSi₃O₈

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Amazonite and Bertrandite Chemical Formula

While comparing Amazonite and Bertrandite 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 Amazonite and Bertrandite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Amazonite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.