Crystal Quartz and Dravite Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Not Available
Very strong: pale yellow colorless
Transparency
Not Available
Transparent
Refractive Index
Not Available
1.614-1.666
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Birefringence
Not Available
0.014-0.032
Clarity
Not Available
Transparent
Crystal Quartz and Dravite Optic Character
Crystal Quartz and Dravite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Crystal Quartz and Dravite 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 Dravite 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 Dravite Transparency
Similar to their colors, Crystal Quartz and Dravite 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.