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Sellaite
Sellaite

Clintonite
Clintonite



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Sellaite
X
Clintonite

Sellaite and Clintonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
X = colorless

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.378-1.3901.643-1.648
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.0120.012-0.015
0 0.296
👆🏻

Clarity

Transparent
-

Sellaite and Clintonite Optic Character

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

Sellaite and Clintonite Transparency

Similar to their colors, Sellaite and Clintonite 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, Sellaite is Transparent while Sellaite is Transparent in appearance.