Albite and Apatite Physical Properties
Specific Gravity
2.60-2.65
3.16-3.23
Fracture
Uneven, Conchoidal
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
[0001] indistinct, [1010] indistinct
Chemical Composition
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Albite and Apatite Chemical Formula
While comparing Albite 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 Albite and Apatite chemical formula.
- Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Albite and Apatite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Albite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Albite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.