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Andean Opal
Andean Opal

Pleonaste
Pleonaste



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Andean Opal
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Pleonaste

Andean Opal and Pleonaste Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Andean Opal and Pleonaste Optic Character

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

Andean Opal and Pleonaste Transparency

Similar to their colors, Andean Opal and Pleonaste 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, Andean Opal is Transparent while Andean Opal is Transparent in appearance.