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Riesling Beryl
Riesling Beryl

Powellite
Powellite



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Riesling Beryl
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Powellite

Riesling Beryl and Powellite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Greasy, Subadamantine
1.2 Pleochroism
Strongly dichroicMartin H. Read
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.591.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.004-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Riesling Beryl and Powellite Optic Character

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

Riesling Beryl and Powellite Transparency

Similar to their colors, Riesling Beryl and Powellite 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, Riesling Beryl is Not Available while Riesling Beryl is Not Available in appearance.