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Morion
Morion

Zoisite
Zoisite



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X
Morion
X
Zoisite

Morion and Zoisite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

Definite: brown reddish-brownWalter Schumann
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

Dispersion

0.010.02
0.005 1
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Transparency

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

Refractive Index

1.544-1.5531.685-1.707
1 3.25
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Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0090.006-0.018
0 0.296
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Clarity

Transparent
Transparent

Morion and Zoisite Optic Character

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

Morion and Zoisite Transparency

Similar to their colors, Morion 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, Morion is Transparent and Translucent while Morion is Transparent and Translucent in appearance.