Sodalite and Orthoclase Physical Properties

Sodalite

Orthoclase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.402.54-2.61

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Gems, Uneven

1.6 Cleavage

Poor on {110}

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

1.7 Mohs Hardness

5-66

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sodalite and Orthoclase Chemical Formula

While comparing Sodalite and Orthoclase 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 Orthoclase chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sodalite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.