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Riesling Beryl
Riesling Beryl

Sillimanite
Sillimanite



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Riesling Beryl
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Sillimanite

Riesling Beryl and Sillimanite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Subadamantine, Silky
1.2 Pleochroism
Strongly dichroicMartin H. Read
Colourless to pale brown to yellow
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.591.653-1.685
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.004-0.0100.020-0.022
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Riesling Beryl and Sillimanite Optic Character

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

Similar to their colors, Riesling Beryl and Sillimanite 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.