Kyanite and Chrysoprase Physical Properties

Kyanite

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.65

2.58-2.64

1.5 Fracture

Splintery, Brittle, Metallic

Gems, Sixth Edition (2006)

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

None

1.7 Mohs Hardness

4-7

6.5-7

1.8 Chemical Composition

Not Available

SiO₂ (with a high level of nickel impurities )

Kyanite and Chrysoprase Chemical Formula

While comparing Kyanite 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 Kyanite and Chrysoprase chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Kyanite and Chrysoprase Specific Gravity

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