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Prasiolite
Prasiolite

Aventurine
Aventurine



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Aventurine

Prasiolite and Aventurine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
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
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.544-1.553
1.544-1.553
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.009
0.007-0.010
1.9 Clarity
Transparent
Translucent

Prasiolite and Aventurine Optic Character

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

Similar to their colors, Prasiolite and Aventurine 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.