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Gahnospinel
Gahnospinel

Adularia
Adularia



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Gahnospinel
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Adularia

Gahnospinel and Adularia Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
TransparentArthur Thomas

Refractive Index

1.735-1.7901.518-1.536
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
-

Birefringence

-99990.005-0.008
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentArthur Thomas

Gahnospinel and Adularia Optic Character

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

Gahnospinel and Adularia Transparency

Similar to their colors, Gahnospinel and Adularia 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, Gahnospinel is while Gahnospinel is in appearance.