Peridot and Weloganite Physical Properties

Peridot

Weloganite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

1.54-1.553.20-3.22

1 7.18

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Fracture

Conchoidal

Cleavage

Poor

Perfect on pseudo {0001}

Mohs Hardness

6.5-73

2 10

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Chemical Composition

(Mg,Fe)₂SiO₄

Na2SrZrSi6O17(OH)3·3H2O

Peridot and Weloganite Chemical Formula

While comparing Peridot and Weloganite 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 Weloganite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Weloganite- Na2SrZrSi6O17(OH)3·3H2O

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Peridot and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.