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Precious Opal
Precious Opal

Celestine
Celestine



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Precious Opal
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Celestine

Precious Opal and Celestine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
Weakly trichroiC
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Gems
1.5 Refractive Index
1.370-1.470
1.619-1.635
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available
0.004-0.012
1.9 Clarity
Transparent
Gems

Precious Opal and Celestine Optic Character

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

Similar to their colors, Precious Opal and Celestine 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.