Purpurite and Chrysoprase Physical Properties

Purpurite

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.2-3.42.58-2.64

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

Gems, Sixth Edition (2006)

1.6 Cleavage

[100] [001] perfect

None

1.7 Mohs Hardness

4-4.56.5-7

2 10

1.8 Chemical Composition

MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

SiO₂ (with a high level of nickel impurities )

Purpurite and Chrysoprase Chemical Formula

While comparing Purpurite 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 Purpurite and Chrysoprase chemical formula.

Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Purpurite and Chrysoprase Specific Gravity

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