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Fire Opal
Fire Opal

Schultenite
Schultenite



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Fire Opal
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Schultenite

Fire Opal and Schultenite Optical Properties

Optical Properties

Luster

-
Vitreous, Adamantine

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
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Transparency

Transparent, Translucent
TransparentAnthony et al

Refractive Index

1.370-1.4701.890-1.976
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
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Clarity

Transparent
TransparentAnthony et al

Fire Opal and Schultenite Optic Character

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

Fire Opal and Schultenite Transparency

Similar to their colors, Fire Opal and Schultenite 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, Fire Opal is Transparent and Translucent while Fire Opal is Transparent and Translucent in appearance.