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Prasiolite
Prasiolite

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Zincite



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Prasiolite and Zincite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Resinous
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
Very weak
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
1.5 Refractive Index
1.544-1.553
2.013-2.029
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.009
0.016
1.9 Clarity
Transparent
TransparentRobert C. Kammerling

Prasiolite and Zincite Optic Character

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

Similar to their colors, Prasiolite and Zincite 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.