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Riesling Beryl
Riesling Beryl

Tourmaline
Tourmaline



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Riesling Beryl
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Tourmaline

Riesling Beryl and Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Strongly dichroicMartin H. Read
typically moderate to strong
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.59
1.614-1.666
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.004-0.010
0.014-0.040
1.9 Clarity
Not Available
Transparent

Riesling Beryl and Tourmaline Optic Character

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

Similar to their colors, Riesling Beryl and Tourmaline 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.