Chrome Diopside and Polyhalite Physical Properties

Chrome Diopside

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.402.78

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

1,2 prismatic.

Perfect on {10 1 }; parting on {010}

1.7 Mohs Hardness

5-63.5

2 10

1.8 Chemical Composition

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

Not Available

Chrome Diopside and Polyhalite Chemical Formula

While comparing Chrome Diopside and Polyhalite 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 Polyhalite chemical formula.

Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

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Chrome Diopside and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Diopside and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Diopside and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Chrome Diopside is 2.78 whereas that of Polyhalite is 2.78.