Bertrandite and Carnallite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.59-2.60
  
1.6
  
Fracture
Brittle, Metallic, Brittle, Metallic
  
Violet, Conchoidal, Brittle, Conchoidal, Brittle
  
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
  
None
  
Mohs Hardness
6-7
  
2.5
  
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
  
KMgCl3•6(H2O)
  
Bertrandite and Carnallite Chemical Formula
While comparing Bertrandite 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 Bertrandite and Carnallite chemical formula.
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Carnallite- KMgCl3•6(H2O)
Bertrandite and Carnallite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bertrandite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 1.6 whereas that of Carnallite is 1.6.