Taaffeite and Apatite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.60-3.61
  
3.16-3.23
  
Fracture
Conchoidal
  
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
  
Cleavage
Imperfect/fair/absent
  
[0001] indistinct, [1010] indistinct
  
Mohs Hardness
8-8.5
  
5
  
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
  
Taaffeite and Apatite Chemical Formula
While comparing Taaffeite 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 Taaffeite and Apatite chemical formula.
- Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Taaffeite and Apatite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Taaffeite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Taaffeite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Taaffeite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.