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Afghanite
Afghanite

Prasiolite
Prasiolite



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Afghanite
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Prasiolite

Afghanite and Prasiolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Very weak: light green pale greenWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Gemstones (2009)
Transparent, Translucent
1.5 Refractive Index
1.5231.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.0060.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Afghanite and Prasiolite Optic Character

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

Afghanite and Prasiolite Transparency

Similar to their colors, Afghanite 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, Afghanite is Gemstones (2009) and Transparent while Afghanite is Gemstones (2009) and Transparent in appearance.