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Apatite
Apatite

Pyrope
Pyrope



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Apatite
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Pyrope

Apatite and Pyrope Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.233.62-3.87
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
[0001] indistinct, [1010] indistinct
None
1.7 Mohs Hardness
57-7.5
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
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Apatite and Pyrope Chemical Formula

While comparing Apatite and Pyrope 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 Pyrope 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 Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Apatite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.