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Boulder Opal
Boulder Opal

Riesling Beryl
Riesling Beryl



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Boulder Opal
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Riesling Beryl

Boulder Opal and Riesling Beryl Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
Strongly dichroicMartin H. Read

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent
-

Refractive Index

1.370-1.4701.59
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.004-0.010
0 0.296
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Clarity

Transparent
-

Boulder Opal and Riesling Beryl Optic Character

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

Boulder Opal and Riesling Beryl Transparency

Similar to their colors, Boulder Opal and Riesling Beryl 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, Boulder Opal is Transparent and Translucent while Boulder Opal is Transparent and Translucent in appearance.