Peridot and Moldavite Physical Properties

Peridot

Moldavite

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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

1.54-1.552.32-2.38

1 7.18

1.5 Fracture

Conchoidal

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Peridot and Moldavite Chemical Formula

While comparing Peridot and Moldavite 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 Moldavite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Peridot and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.