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Fire Opal
Fire Opal

Shattuckite
Shattuckite



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X
Fire Opal
X
Shattuckite

Fire Opal and Shattuckite Optical Properties

Optical Properties

Luster

-
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.370-1.4701.752-1.815
1 3.25
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Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.063
0 0.296
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Clarity

Transparent
Translucent

Fire Opal and Shattuckite Optic Character

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

Similar to their colors, Fire Opal and Shattuckite 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.