Iolite and Grossular Garnet Physical Properties

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

2.6-2.7

3.6

1.5 Fracture

Not Available

1.6 Cleavage

3,1

None

1.7 Mohs Hardness

7-7.5

6.5-7.5

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Ca₃Al₂Si₃O₁₂

Iolite and Grossular Garnet Chemical Formula

While comparing 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 Iolite and Grossular Garnet chemical formula.

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

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Iolite and Grossular Garnet Specific Gravity

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