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Blue spinel
Blue spinel

Hiddenite
Hiddenite



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Blue spinel
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Hiddenite

Blue spinel and Hiddenite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

-99991.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.014-0.016
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Blue spinel and Hiddenite Optic Character

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

Blue spinel and Hiddenite Transparency

Similar to their colors, Blue spinel and Hiddenite 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, Blue spinel is while Blue spinel is in appearance.