Violane and Crystal Opal Physical Properties

Violane

Crystal 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

Not Available

1.7 Mohs Hardness

5-65.5-6.5

2 10

1.8 Chemical Composition

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

SiO 2 + H 2OUlrich Henn and Claudio C.

Violane and Crystal Opal Chemical Formula

While comparing Violane and Crystal 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 Violane and Crystal Opal chemical formula.

Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Compare Blue Gemstones

Violane Vs Fancy Diamond

Violane Vs Yttrium Aluminium Garnet

Violane Vs Zircon

Violane and Crystal Opal Specific Gravity

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