Chrome Diopside and Opal Physical Properties

Chrome Diopside

Opal

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1 Physical Properties

1.1 Tenacity

Not Available

BrittleWalter Schumann

1.2 Solubility

Not Available

hot salt water

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.40

1.98-2.25

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

1,2 prismatic.

None

1.7 Mohs Hardness

5-6

5-6.5

1.8 Chemical Composition

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

SiO₂ · nH₂O

Chrome Diopside and Opal Chemical Formula

While comparing Chrome Diopside and 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 Opal chemical formula.

Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Chemical formula of Opal- SiO₂ · nH₂O

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Chrome Diopside and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Diopside and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Diopside and Opal Optical Properties during the identification of gemstone. Specific gravity of Chrome Diopside is 1.98-2.25 whereas that of Opal is 1.98-2.25.