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Apatite
Apatite

Amazonite
Amazonite



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Apatite
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Amazonite

Apatite and Amazonite Physical Properties

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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
3.16-3.232.55-2.57
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
[0001] indistinct, [1010] indistinct
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
1.7 Mohs Hardness
56-6.5
Amber
2 10
1.8 Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
KAlSi3O8

Apatite and Amazonite Chemical Formula

While comparing Apatite and Amazonite 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 Apatite and Amazonite chemical formula.

  • Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Amazonite- KAlSi3O8

Apatite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.