Peridot and Cordierite Iolite Physical Properties

Peridot

Cordierite Iolite

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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

1.54-1.552.56-2.66

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Peridot and Cordierite Iolite Chemical Formula

While comparing Peridot and Cordierite Iolite 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 Cordierite Iolite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

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Peridot and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.