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Eudialyte
Eudialyte

Prasiolite
Prasiolite



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Eudialyte
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Prasiolite

Eudialyte and Prasiolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak: O= colorless
Very weak: light green pale greenWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.591-1.6331.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.003-0.0100.009
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Eudialyte and Prasiolite Optic Character

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

Eudialyte and Prasiolite Transparency

Similar to their colors, Eudialyte 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, Eudialyte is Translucent while Eudialyte is Translucent in appearance.