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Rutile
Rutile
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Purpurite
Purpurite
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Rutile
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Purpurite

Rutile and Purpurite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Insoluble in acids
-
4.20-4.30
Uneven, Conchoidal
{110} good, 100 moderate, parting on {092} and {011}
6-6.5
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
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.

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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 Vs Purpurite during the identification of gemstone. Specific gravity of Rutile is whereas that of Purpurite is .