Peridot and Adularia Physical Properties

Peridot

Adularia

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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

1.54-1.552.54-2.61

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Peridot and Adularia Chemical Formula

While comparing Peridot and Adularia 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 Adularia chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Adularia- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Peridot and Adularia Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Adularia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Adularia Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.54-2.61 whereas that of Adularia is 2.54-2.61.