Bertrandite and Microcline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.59-2.60
  
2.55-2.63
  
Fracture
Brittle, Metallic, Brittle, Metallic
  
Uneven, Uneven, Gems
  
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
  
{001} Perfect, {010} Good
  
Mohs Hardness
6-7
  
6-6.5
  
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
  
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
  
Bertrandite and Microcline Chemical Formula
While comparing Bertrandite and Microcline 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 Microcline chemical formula.
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Bertrandite and Microcline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bertrandite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.