Sapphire and Chrysoprase Physical Properties

Sapphire

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.032.58-2.64

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Gems, Sixth Edition (2006)

1.6 Cleavage

None, but may exhibit parting

None

1.7 Mohs Hardness

96.5-7

2 10

1.8 Chemical Composition

Al ₂ O ₃

SiO₂ (with a high level of nickel impurities )

Sapphire and Chrysoprase Chemical Formula

While comparing Sapphire and Chrysoprase 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 Chrysoprase chemical formula.

Chemical formula of Sapphire- Al ₂ O ₃
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Sapphire and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.