Faustite and Carnallite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.9
  
1.6
  
Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
  
Violet, Conchoidal, Brittle, Conchoidal, Brittle
  
Cleavage
{???} Indistinct
  
None
  
Mohs Hardness
4.5
  
2.5
  
Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
KMgCl3•6(H2O)
  
Faustite and Carnallite Chemical Formula
While comparing Faustite and Carnallite 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 Faustite and Carnallite chemical formula.
- Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Carnallite- KMgCl3•6(H2O)
Faustite and Carnallite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Faustite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 1.6 whereas that of Carnallite is 1.6.