Uvarovite and Iolite Physical Properties

Uvarovite

Iolite

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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

3.772.6-2.7

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

None

3,1

1.7 Mohs Hardness

6.5-7.57-7.5

2 10

1.8 Chemical Composition

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Mg₂Al₄Si₅O₁₈

Uvarovite and Iolite Chemical Formula

While comparing Uvarovite and Iolite 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 Uvarovite and Iolite chemical formula.

Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Uvarovite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvarovite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvarovite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Uvarovite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.