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Jeremejevite
Jeremejevite

Opal
Opal



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Jeremejevite
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Opal

Jeremejevite and Opal Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Colorless
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.638-1.6501.37-1.52
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
Trigonal

Birefringence

0.0130-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Jeremejevite and Opal Optic Character

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

Jeremejevite and Opal Transparency

Similar to their colors, Jeremejevite and Opal 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, Jeremejevite is while Jeremejevite is in appearance.