Crystal Quartz and Vivianite Optical Properties
Luster
Not Available
  
Vitreous, Pearly
  
Pleochroism
Not Available
  
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue
  
Dispersion
Not Available
  
Not Available
  
Transparency
Not Available
  
Transparent
  
Refractive Index
Not Available
  
1.560-1.640
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Trigonal
  
Not Available
  
Birefringence
Not Available
  
0.054-0.075
  
Clarity
Not Available
  
Transparent
  
Crystal Quartz and Vivianite Optic Character
Crystal Quartz and Vivianite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Crystal Quartz and Vivianite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Crystal Quartz and Vivianite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.
Crystal Quartz and Vivianite Transparency
Similar to their colors, Crystal Quartz and Vivianite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Crystal Quartz is Not Available while Crystal Quartz is Not Available in appearance.