Chrome Diopside and Alunite Physical Properties

Chrome Diopside

Alunite

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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

3.22-3.402.6-2.9

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

1,2 prismatic.

On {0001}, perfect

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

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

KAl3(SO4)2(OH)6

Chrome Diopside and Alunite Chemical Formula

While comparing Chrome Diopside and Alunite 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 Alunite chemical formula.

Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Chemical formula of Alunite- KAl3(SO4)2(OH)6

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Chrome Diopside and Alunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Diopside and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Diopside and Alunite Optical Properties during the identification of gemstone. Specific gravity of Chrome Diopside is 2.6-2.9 whereas that of Alunite is 2.6-2.9.