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Andean Opal
Andean Opal

Agrellite
Agrellite



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Andean Opal
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Agrellite

Andean Opal and Agrellite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Pearly
1.2 Pleochroism
Not Available
colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
Not Available1.567
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
Not Available0.014
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Andean Opal and Agrellite Optic Character

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

Similar to their colors, Andean Opal and Agrellite 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.