Peridot and Amazonite Physical Properties

Peridot

Amazonite

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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

1.54-1.552.55-2.57

1 7.18

1.5 Fracture

Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Poor

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

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

KAlSi₃O₈

Peridot and Amazonite Chemical Formula

While comparing Peridot 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 Peridot and Amazonite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Amazonite- KAlSi₃O₈

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Peridot and Amazonite Specific Gravity

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