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Citrine
Citrine

Fire Opal
Fire Opal



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Citrine
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Fire Opal

Citrine and Fire Opal Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Natural: weak; yellow light yellow.
AbsentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.544-1.5531.370-1.470
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Amorphous
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Citrine and Fire Opal Optic Character

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

Citrine and Fire Opal Transparency

Similar to their colors, Citrine and Fire 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, Citrine is Transparent while Citrine is Transparent in appearance.