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Moldavite
Moldavite

Rubellite
Rubellite



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Moldavite
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Rubellite

Moldavite and Rubellite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Absent
0.04
Transparent, Translucent
1.48-1.54
-
-
-9999
Transparent
 
-
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
0.02
Transparent, Translucent
1.614-1.666
-
-
0.014-0.040
Transparent

Moldavite and Rubellite Optic Character

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

Moldavite and Rubellite Transparency

Similar to their colors, Moldavite and Rubellite 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, Moldavite is while Moldavite is in appearance.