Common Opal and Chrome Diopside Physical Properties

Common Opal

Chrome Diopside

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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

1.98-2.503.22-3.40

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

1,2 prismatic.

1.7 Mohs Hardness

5.5-6.55-6

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Common Opal and Chrome Diopside Chemical Formula

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

Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Chrome Diopside- (Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)

Compare Blue Gemstones

Common Opal Vs Dravite

Common Opal Vs Diamond

Common Opal Vs Dumortierite

Common Opal and Chrome Diopside Specific Gravity

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