Grossular Garnet and Cordierite Physical Properties

Grossular Garnet

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

3.62.57-2.66

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-7.57-7.5

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

Mg2Al4Si5O18

Grossular Garnet and Cordierite Chemical Formula

While comparing Grossular Garnet 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 Grossular Garnet and Cordierite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Cordierite- Mg2Al4Si5O18

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Grossular Garnet and Cordierite Specific Gravity

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