Chrome Diopside and Purpurite Physical Properties

Chrome Diopside

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

1,2 prismatic.

[100] [001] perfect

1.7 Mohs Hardness

5-64-4.5

2 10

1.8 Chemical Composition

(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

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

Chrome Diopside and Purpurite Chemical Formula

While comparing Chrome Diopside 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 Chrome Diopside and Purpurite chemical formula.

Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

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Chrome Diopside and Purpurite Specific Gravity

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