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Pleonaste
Pleonaste

Zinnwaldite
Zinnwaldite



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Pleonaste
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Zinnwaldite

Pleonaste and Zinnwaldite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Pearly, Vitreous
1.2 Pleochroism
Not Available
Distinct
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Not Available
1.5 Refractive Index
1.7801.565-1.625
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.040-0.050
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Not Available

Pleonaste and Zinnwaldite Optic Character

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

Pleonaste and Zinnwaldite Transparency

Similar to their colors, Pleonaste and Zinnwaldite 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, Pleonaste is Gemmological Tables (2004) while Pleonaste is Gemmological Tables (2004) in appearance.