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Foitite
Foitite

Apatite
Apatite



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Foitite
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Apatite

Foitite and Apatite 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
3.173.16-3.23
Amber
1 7.18
1.5 Fracture
Handbook of mineralogy (2001)
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
1.6 Cleavage
None
[0001] indistinct, [1010] indistinct
1.7 Mohs Hardness
75
Amber
2 10
1.8 Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Foitite and Apatite Chemical Formula

While comparing Foitite 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 Foitite and Apatite chemical formula.

  • Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Foitite and Apatite Specific Gravity

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