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Precious Opal
Precious Opal

Narsarsukite
Narsarsukite



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Precious Opal
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Narsarsukite

Precious Opal and Narsarsukite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Weak; O = colorless to yellow; E = colorless to honey-yellow
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.370-1.470
1.610-1.647
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available
0.021
1.9 Clarity
Transparent
Transparent

Precious Opal and Narsarsukite Optic Character

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

Precious Opal and Narsarsukite Transparency

Similar to their colors, Precious Opal and Narsarsukite 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, Precious Opal is Translucent and Transparent while Precious Opal is Translucent and Transparent in appearance.