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Apatite
Apatite

Fluorapatite
Fluorapatite



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Apatite
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Fluorapatite

Apatite and Fluorapatite 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
3.16-3.233.1-3.25
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
[0001] indistinct, [1010] indistinct
Indistinct
1.7 Mohs Hardness
55
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
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Apatite and Fluorapatite Chemical Formula

While comparing Apatite and Fluorapatite 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 Fluorapatite 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 Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Apatite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.