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Andean Opal
Andean Opal

Agate
Agate



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Andean Opal
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Agate

Andean Opal and Agate Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Absent
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
Not Available1.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.004
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Andean Opal and Agate Optic Character

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

Similar to their colors, Andean Opal and Agate 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.