Amazonite and Omphacite Physical Properties

Amazonite

Omphacite

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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

2.55-2.573.16-3.43

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

{110} Good, {110} Good

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

KAlSi₃O₈

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Amazonite and Omphacite Chemical Formula

While comparing Amazonite and Omphacite 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 Omphacite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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Amazonite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.