Cordierite Iolite and Grossular Garnet Physical Properties

Cordierite Iolite

Grossular Garnet

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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

2.56-2.663.6

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.56.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Al₂Si₃O₁₂

Cordierite Iolite and Grossular Garnet Chemical Formula

While comparing Cordierite Iolite and Grossular Garnet 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 Iolite and Grossular Garnet chemical formula.

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Cordierite Iolite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.6 whereas that of Grossular Garnet is 3.6.