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Rubellite
Rubellite

Prasiolite
Prasiolite



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Rubellite
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Prasiolite

Rubellite and Prasiolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Very weak: light green pale greenWalter Schumann
1.3 Dispersion
0.020.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.614-1.6661.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.014-0.0400.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Rubellite and Prasiolite Optic Character

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

Rubellite and Prasiolite Transparency

Similar to their colors, Rubellite and Prasiolite 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, Rubellite is Translucent and Transparent while Rubellite is Translucent and Transparent in appearance.