Violane and Purpurite Physical Properties

Violane

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

3.22-3.403.2-3.4

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[100] [001] perfect

1.7 Mohs Hardness

5-64-4.5

2 10

1.8 Chemical Composition

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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

Violane and Purpurite Chemical Formula

While comparing Violane 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 Violane and Purpurite chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Violane and Purpurite Specific Gravity

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