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Riesling Beryl
Riesling Beryl

Mellite
Mellite



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Riesling Beryl
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Mellite

Riesling Beryl and Mellite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
Strongly dichroicMartin H. Read
0.01
-
1.59
-
-
0.004-0.010
-
 
Vitreous
Weak: yellowish brown yellowAnthony et al
0.01
-
1.509-1.541
-
-
0.030
TransparentUlrich Henn and Claudio C. Milisenda

Riesling Beryl and Mellite Optic Character

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

Similar to their colors, Riesling Beryl and Mellite 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 while Riesling Beryl is in appearance.