Bastnasite and Almandine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.95-5.0
  
3.95-4.30
  
Fracture
Uneven
  
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
  
none
  
Mohs Hardness
4-5
  
7-7.5
  
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Bastnasite and Almandine Chemical Formula
While comparing Bastnasite and Almandine 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 Almandine chemical formula.
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Bastnasite and Almandine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bastnasite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.