Peridot and Aegirine Physical Properties

Peridot

Aegirine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.553.50-3.60

1 7.18

1.5 Fracture

Conchoidal

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Poor

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Peridot and Aegirine Chemical Formula

While comparing Peridot and Aegirine 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 Aegirine chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

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Peridot and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.