Uvarovite and Purpurite Physical Properties

Uvarovite

Purpurite

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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

3.773.2-3.4

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None

[100] [001] perfect

1.7 Mohs Hardness

6.5-7.54-4.5

2 10

1.8 Chemical Composition

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Uvarovite and Purpurite Chemical Formula

While comparing Uvarovite and Purpurite 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 Uvarovite and Purpurite chemical formula.

Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Uvarovite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Uvarovite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvarovite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Uvarovite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.