Diopside and Crystal Opal Physical Properties

Diopside

Crystal Opal

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1 Physical Properties

1.1 Tenacity

Brittle

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

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

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

1.6 Cleavage

Distinct/good on {110}

Not Available

1.7 Mohs Hardness

5-65.5-6.5

2 10

1.8 Chemical Composition

CaMgSi₂O₆

SiO 2 + H 2OUlrich Henn and Claudio C.

Diopside and Crystal Opal Chemical Formula

While comparing Diopside 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 Diopside and Crystal Opal chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Diopside and Crystal Opal Specific Gravity

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