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Amazonite
Amazonite

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Melanite



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Amazonite 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
2.55-2.57
3.70-4.10
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Not Available
1.7 Mohs Hardness
6-6.5
6.5-7
1.8 Chemical Composition
KAlSi3O8
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Amazonite and Melanite Chemical Formula

While comparing Amazonite 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 Amazonite and Melanite chemical formula.

  • Chemical formula of Amazonite- KAlSi3O8
  • Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Amazonite and Melanite Specific Gravity

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