Chrysoprase and Cordierite Physical Properties

Chrysoprase

Cordierite

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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

2.58-2.642.57-2.66

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

None

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

Mg2Al4Si5O18

Chrysoprase and Cordierite Chemical Formula

While comparing Chrysoprase and Cordierite 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 Chrysoprase and Cordierite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Cordierite- Mg2Al4Si5O18

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Chrysoprase and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoprase and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.