Iolite and Clinozoisite Physical Properties

Iolite

Clinozoisite

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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

2.6-2.73.21-3.38

1 7.18

1.5 Fracture

Not Available

Irregular/uneven, Uneven

1.6 Cleavage

3,1

Perfect on {001}

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Iolite and Clinozoisite Chemical Formula

While comparing Iolite and Clinozoisite 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 Clinozoisite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Iolite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.