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Pearl
Pearl

Zoisite
Zoisite



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Pearl
X
Zoisite

Pearl and Zoisite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 19 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.
1.5 Refractive Index
1.52-1.66
1.685-1.707
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.156
0.006-0.018
1.9 Clarity
Translucent
Transparent

Pearl and Zoisite Optic Character

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

Pearl and Zoisite Transparency

Similar to their colors, Pearl 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.