Cryolite and Cordierite Physical Properties

Cryolite

Cordierite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.972.57-2.66

1 7.18

1.5 Fracture

Uneven

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

2.57-7.5

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

Mg2Al4Si5O18

Cryolite and Cordierite Chemical Formula

While comparing Cryolite 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 Cryolite and Cordierite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Cordierite- Mg2Al4Si5O18

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Cryolite and Cordierite Specific Gravity

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