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Adularia
Adularia

Peridot
Peridot



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Adularia
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Peridot

Adularia and Peridot Optical Properties

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Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
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Transparency

TransparentArthur Thomas
Transparent

Refractive Index

1.518-1.5361.64-1.69
1 3.25
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Optic Character

-
-

Crystal System

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Orthorhombic

Birefringence

0.005-0.0080.036
0 0.296
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Clarity

TransparentArthur Thomas
Transparent

Adularia and Peridot Optic Character

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

Adularia and Peridot Transparency

Similar to their colors, Adularia and Peridot 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, Adularia is TransparentArthur Thomas while Adularia is TransparentArthur Thomas in appearance.