Omphacite and Apophyllite KF Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.16-3.43
  
2.33-2.37
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Uneven, Brittle, Uneven, Brittle, Uneven
  
Cleavage
{110} Good, {110} Good
  
Perfect on {001}, imperfect on {110}
  
Mohs Hardness
5-6
  
4.5-5
  
Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
  
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
  
Omphacite and Apophyllite KF Chemical Formula
While comparing Omphacite and Apophyllite KF 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 Omphacite and Apophyllite KF chemical formula.
- Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Omphacite and Apophyllite KF Specific Gravity
Another important criteria for qualitative analysis of gemstones is Omphacite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.