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Chrome-Chalcedony
Chrome-Chalcedony

Melanite
Melanite



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Chrome-Chalcedony
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Chrome-Chalcedony and Melanite 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
2.55-2.70
3.70-4.10
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
6.5-7
6.5-7
1.8 Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Chrome-Chalcedony and Melanite Chemical Formula

While comparing Chrome-Chalcedony and Melanite 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 Chrome-Chalcedony and Melanite chemical formula.

  • Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
  • Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Chrome-Chalcedony and Melanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Melanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Melanite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.70-4.10 whereas that of Melanite is 3.70-4.10.