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Melanite
Melanite

Crystal Opal
Crystal Opal



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Melanite
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Crystal Opal

Melanite and Crystal 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
3.70-4.101.97-2.22
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
6.5-75.5-6.5
Amber
2 10
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
SiO 2 + H 2OUlrich Henn and Claudio C.

Melanite and Crystal Opal Chemical Formula

While comparing Melanite 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 Melanite and Crystal Opal chemical formula.

  • Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Melanite and Crystal Opal Specific Gravity

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