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Citrine
Citrine

Mottramite
Mottramite



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Citrine
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Mottramite

Citrine and Mottramite Optical Properties

Optical Properties

Luster

Vitreous
Greasy

Pleochroism

Natural: weak; yellow light yellow.
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.544-1.5532.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.0090.150
0 0.296
👆🏻

Clarity

Transparent
-

Citrine and Mottramite Optic Character

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

Citrine and Mottramite Transparency

Similar to their colors, Citrine 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, Citrine is Transparent while Citrine is Transparent in appearance.