Iolite and Moissanite Physical Properties

Iolite

Moissanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.73.17-3.24

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

3,1

(0001) indistinct

1.7 Mohs Hardness

7-7.59-9.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

SiCArthur Thomas , Gemstones (2009)

Iolite and Moissanite Chemical Formula

While comparing Iolite and Moissanite 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 Moissanite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)

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Iolite and Moissanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Moissanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Moissanite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.17-3.24 whereas that of Moissanite is 3.17-3.24.