Bastnasite and Crocoite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.95-5.0
  
5.90-6.10
  
Fracture
Uneven
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
  
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
  
{110} Distinct, {001} Indistinct, {100} Indistinct
  
Mohs Hardness
4-5
  
2.5-3
  
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Bastnasite and Crocoite Chemical Formula
While comparing Bastnasite and Crocoite 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 Crocoite chemical formula.
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bastnasite and Crocoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bastnasite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.