Bastnasite and Tourmaline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.95-5.0
  
2.85-3.35
  
Fracture
Uneven
  
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
  
Indistinct
  
Mohs Hardness
4-5
  
7-7.5
  
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Bastnasite and Tourmaline Chemical Formula
While comparing Bastnasite and Tourmaline 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 Tourmaline chemical formula.
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Bastnasite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bastnasite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.