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Dumortierite quartz
Dumortierite quartz

Emerald
Emerald



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Dumortierite quartz
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Emerald

Dumortierite quartz and Emerald Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Strong dichroism: yellow green Lazzarelli

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

-99991.565-1.602
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
👆🏻

Clarity

-
-

Dumortierite quartz and Emerald Optic Character

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

Dumortierite quartz and Emerald Transparency

Similar to their colors, Dumortierite quartz and Emerald 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, Dumortierite quartz is while Dumortierite quartz is in appearance.