Rutile and Purpurite Physical Properties

Rutile

Purpurite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.303.2-3.4

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{110} good, 100 moderate, parting on {092} and {011}

[100] [001] perfect

1.7 Mohs Hardness

6-6.54-4.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Rutile and Purpurite Chemical Formula

While comparing Rutile 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 Rutile and Purpurite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Compare Red Gemstones

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Rutile and Purpurite Specific Gravity

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