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Prasiolite
Prasiolite

Poldervaartite
Poldervaartite



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Prasiolite
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Poldervaartite

Prasiolite and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
Weak: colorless light gray bluish grayAnthony et al
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.544-1.553
1.634-1.656
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.009
Not Available
1.9 Clarity
Transparent
Transparent

Prasiolite and Poldervaartite Optic Character

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

Similar to their colors, Prasiolite and Poldervaartite 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.