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Zoisite
Zoisite

Turquoise
Turquoise



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X
Zoisite
X
Turquoise

Zoisite and Turquoise Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
0.02
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
1.685-1.707
-
Orthorhombic
0.006-0.018
Transparent
 
Waxy
Weak
0.03
Translucent, Opaque
1.610-1.650
-
Triclinic
0.040
Translucent

Zoisite and Turquoise Optic Character

Zoisite and Turquoise optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Zoisite Vs Turquoise 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 Zoisite and Turquoise 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.

Zoisite and Turquoise Transparency

Similar to their colors, Zoisite and Turquoise 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, Zoisite is while Zoisite is in appearance.