Uvarovite Garnet and Black Opal Physical Properties

Uvarovite Garnet

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

3.7-3.81.97-2.22

1 7.18

1.8 Fracture

Not Available

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

1.9 Cleavage

None

Not Available

1.10 Mohs Hardness

6.5-76-6.5

2 10

1.11 Chemical Composition

Ca₃Cr₂Si₃O₁₂

SiO 2 + H 2OUlrich Henn and Claudio C.

Uvarovite Garnet and Black Opal Chemical Formula

While comparing Uvarovite Garnet 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 Uvarovite Garnet and Black Opal chemical formula.

Chemical formula of Uvarovite Garnet- Ca₃Cr₂Si₃O₁₂
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Uvarovite Garnet and Black Opal Specific Gravity

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