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Adularia
Adularia

Heliotrope
Heliotrope



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Adularia
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Heliotrope

Adularia and Heliotrope Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

TransparentArthur Thomas
-

Refractive Index

1.518-1.5361.53-1.54
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.005-0.0080.004
0 0.296
👆🏻

Clarity

TransparentArthur Thomas
-

Adularia and Heliotrope Optic Character

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

Similar to their colors, Adularia and Heliotrope 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.