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Franklinite
Franklinite

Riesling Beryl
Riesling Beryl



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Franklinite
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Riesling Beryl

Franklinite and Riesling Beryl Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.19
Translucent
-9999
-
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
-9999
Translucent
 
-
Strongly dichroicMartin H. Read
0.01
-
1.59
-
-
0.004-0.010
-

Franklinite and Riesling Beryl Optic Character

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

Franklinite and Riesling Beryl Transparency

Similar to their colors, Franklinite 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, Franklinite is while Franklinite is in appearance.