Sapphire and Clinozoisite Physical Properties

Sapphire

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.033.21-3.38

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Irregular/uneven, Uneven

1.6 Cleavage

None, but may exhibit parting

Perfect on {001}

1.7 Mohs Hardness

96-7

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Sapphire and Clinozoisite Chemical Formula

While comparing Sapphire 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 Sapphire and Clinozoisite chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃
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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Sapphire and Clinozoisite Specific Gravity

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