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Prasiolite
Prasiolite

Ulexite
Ulexite



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Prasiolite
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Ulexite

Prasiolite and Ulexite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.544-1.553
1.491-1.520
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.009
0.029
1.9 Clarity
Transparent
Transparent

Prasiolite and Ulexite Optic Character

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

Prasiolite and Ulexite Transparency

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