Cordierite and Apache Tear Physical Properties

Cordierite

Apache Tear

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.57-2.66-9999

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

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

None

Mohs Hardness

7-7.55-5.5

2 10

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Chemical Composition

Mg2Al4Si5O18

Cordierite and Apache Tear Chemical Formula

While comparing Cordierite and Apache Tear 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 Cordierite and Apache Tear chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Apache Tear- -

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Cordierite and Apache Tear Specific Gravity

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