Crystal Quartz and Zoisite Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Not Available
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
Transparency
Not Available
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
Refractive Index
Not Available
1.685-1.707
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Orthorhombic
Birefringence
Not Available
0.006-0.018
Clarity
Not Available
Transparent
Crystal Quartz and Zoisite Optic Character
Crystal Quartz and Zoisite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Crystal Quartz and Zoisite 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 Zoisite 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 Zoisite Transparency
Similar to their colors, Crystal Quartz and Zoisite 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.