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Uvarovite
Uvarovite

Opal
Opal



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Uvarovite
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Opal

Uvarovite and Opal Physical Properties

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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
Not Available
1.4 Specific Gravity
3.771.98-2.25
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
None
None
1.7 Mohs Hardness
6.5-7.55-6.5
Amber
2 10
1.8 Chemical Composition
Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.
SiO2 · nH2O

Uvarovite and Opal Chemical Formula

While comparing Uvarovite 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 Uvarovite and Opal chemical formula.

  • Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.
  • Chemical formula of Opal- SiO2 · nH2O

Uvarovite and Opal Specific Gravity

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