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Prase
Prase

Aventurine
Aventurine



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Aventurine

Prase and Aventurine Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (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
Not Available
Trigonal
1.8 Birefringence
0.009
0.007-0.010
1.9 Clarity
Transparent
Translucent

Prase and Aventurine Optic Character

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

Prase and Aventurine Transparency

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