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Chrysoprase
Chrysoprase

Apatite
Apatite



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Chrysoprase
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Apatite

Chrysoprase and Apatite 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
2.58-2.643.16-3.23
Amber
1 7.18
1.5 Fracture
Gems, Sixth Edition (2006)
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
1.6 Cleavage
None
[0001] indistinct, [1010] indistinct
1.7 Mohs Hardness
6.5-75
Amber
2 10
1.8 Chemical Composition
SiO2 (with a high level of nickel impurities )
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Chrysoprase and Apatite Chemical Formula

While comparing Chrysoprase and Apatite 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 Chrysoprase and Apatite chemical formula.

  • Chemical formula of Chrysoprase- SiO2 (with a high level of nickel impurities )
  • Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Chrysoprase and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoprase and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Apatite Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 3.16-3.23 whereas that of Apatite is 3.16-3.23.