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Glaucophane
Glaucophane

Arfvedsonite
Arfvedsonite



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Glaucophane
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Arfvedsonite

Glaucophane and Arfvedsonite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Strong
Strong: Blue-greens

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.606-1.6371.652-1.699
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Glaucophane and Arfvedsonite Optic Character

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

Glaucophane and Arfvedsonite Transparency

Similar to their colors, Glaucophane and Arfvedsonite 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, Glaucophane is while Glaucophane is in appearance.