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Sellaite
Sellaite

Dolomite
Dolomite



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Sellaite
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Dolomite

Sellaite and Dolomite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.378-1.3901.498-1.681
1 3.25
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Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.0120.179-0.181
0 0.296
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Clarity

Transparent
Transparent

Sellaite and Dolomite Optic Character

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

Similar to their colors, Sellaite and Dolomite 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.