Annabergite and Amazonite Physical Properties

Annabergite

Amazonite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.07

2.55-2.57

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

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

1.7 Mohs Hardness

6-6.5

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

KAlSi₃O₈

Annabergite and Amazonite Chemical Formula

While comparing Annabergite 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 Annabergite and Amazonite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Amazonite- KAlSi₃O₈

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Annabergite and Amazonite Specific Gravity

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