Peridot and Sodalite Physical Properties

Peridot

Sodalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.552.15-2.40

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

Poor

Poor on {110}

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Na₈Al₆Si₆O₂₄Cl₂

Peridot and Sodalite Chemical Formula

While comparing Peridot and Sodalite 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 Sodalite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Peridot and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.