Bastnasite and Andesine Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.95-5.0
  
2.65-2.69
  
Fracture
Uneven
  
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
  
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
  
Perfect on {001}, good on {010}
  
Mohs Hardness
4-5
  
6-6.5
  
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Na,Ca)Al1-2Si3-2O8
  
Bastnasite and Andesine Chemical Formula
While comparing Bastnasite and Andesine 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 Bastnasite and Andesine chemical formula.
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
Bastnasite and Andesine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bastnasite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.