Chrome Diopside and Black Opal Physical Properties

Chrome Diopside

Black Opal

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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

3.22-3.401.97-2.22

1 7.18

1.5 Fracture

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

1.6 Cleavage

1,2 prismatic.

Not Available

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Chrome Diopside and Black Opal Chemical Formula

While comparing Chrome Diopside and Black Opal 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 Black Opal chemical formula.

Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Chrome Diopside and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Diopside and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Diopside and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Chrome Diopside is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.