Sodalite and Clinozoisite Physical Properties

Sodalite

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.403.21-3.38

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Irregular/uneven, Uneven

1.6 Cleavage

Poor on {110}

Perfect on {001}

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

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

Sodalite and Clinozoisite Chemical Formula

While comparing Sodalite 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 Sodalite and Clinozoisite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
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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Sodalite Vs Iolite

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Sodalite Vs Zircon

Sodalite and Clinozoisite Specific Gravity

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