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Crystal Quartz
Crystal Quartz

Mottramite
Mottramite



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Crystal Quartz
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Mottramite

Crystal Quartz and Mottramite Optical Properties

Optical Properties

Luster

-
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99992.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

-99990.150
0 0.296
👆🏻

Clarity

-
-

Crystal Quartz and Mottramite Optic Character

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

Crystal Quartz and Mottramite Transparency

Similar to their colors, Crystal Quartz and Mottramite 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, Crystal Quartz is while Crystal Quartz is in appearance.