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Blue gold
Blue gold

Polyhalite
Polyhalite



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Blue gold
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Polyhalite

Blue gold and Polyhalite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
-

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.546-1.548
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.021
0 0.296
👆🏻

Clarity

-
-

Blue gold and Polyhalite Optic Character

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

Similar to their colors, Blue gold and Polyhalite 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 gold is while Blue gold is in appearance.