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Zincite
Zincite

Zoisite
Zoisite



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Zincite
X
Zoisite

Zincite and Zoisite Optical Properties

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Optical Properties

Luster

Subadamantine, Resinous
Vitreous

Pleochroism

Very weak
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

Dispersion

0.160.02
0.005 1
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Transparency

TransparentRobert C. Kammerling
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

Refractive Index

2.013-2.0291.685-1.707
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.0160.006-0.018
0 0.296
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Clarity

TransparentRobert C. Kammerling
Transparent

Zincite and Zoisite Optic Character

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

Zincite and Zoisite Transparency

Similar to their colors, Zincite 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, Zincite is TransparentRobert C. Kammerling while Zincite is TransparentRobert C. Kammerling in appearance.