Apatite and Zinnwaldite Physical Properties
Tenacity
Not Available
  
Elastic
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.16-3.23
  
2.9-3.1
  
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
  
Uneven
  
Cleavage
[0001] indistinct, [1010] indistinct
  
Perfect basal {001}
  
Mohs Hardness
5
  
3.5-4.0
  
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
  
Not Available
  
Apatite and Zinnwaldite Chemical Formula
While comparing Apatite and Zinnwaldite 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 Zinnwaldite 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
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Apatite and Zinnwaldite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apatite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.