Polyhalite and Chrome Diopside Physical Properties

Polyhalite

Chrome Diopside

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.22-3.40

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

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

1,2 prismatic.

1.7 Mohs Hardness

3.55-6

2 10

1.8 Chemical Composition

Not Available

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

Polyhalite and Chrome Diopside Chemical Formula

While comparing Polyhalite and Chrome Diopside 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 Polyhalite and Chrome Diopside chemical formula.

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

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Polyhalite and Chrome Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Chrome Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Chrome Diopside Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.22-3.40 whereas that of Chrome Diopside is 3.22-3.40.