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Yttrium Aluminium Garnet
Yttrium Aluminium Garnet

Black Opal
Black Opal



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Yttrium Aluminium Garnet
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Black Opal

Yttrium Aluminium Garnet and Black Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.551.97-2.22
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
8-8.56-6.5
Amber
2 10
1.8 Chemical Composition
Y 3Al 5O 12Ulrich Henn and Claudio C.
SiO 2 + H 2OUlrich Henn and Claudio C.

Yttrium Aluminium Garnet and Black Opal Chemical Formula

While comparing Yttrium Aluminium 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 Yttrium Aluminium Garnet and Black Opal chemical formula.

  • Chemical formula of Yttrium Aluminium Garnet- Y 3Al 5O 12Ulrich Henn and Claudio C.
  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Yttrium Aluminium Garnet and Black Opal Specific Gravity

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