Peridot and Star Sapphire Physical Properties

Peridot

Star Sapphire

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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

1.54-1.553.90-4.05

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Al 2O 3Ulrich Henn and Claudio C.

Peridot and Star Sapphire Chemical Formula

While comparing Peridot and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Semi Precious Gemstones

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Peridot and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.