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Fire Opal
Fire Opal

Rutile
Rutile



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Fire Opal
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Rutile

Fire Opal and Rutile Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Weak to distinct brownish red-green-yellow
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.370-1.4702.609-2.903
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
tetragonal
1.8 Birefringence
Not Available0.296
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fire Opal and Rutile Optic Character

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

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