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Pleonaste
Pleonaste

Ammolite
Ammolite



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Pleonaste
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Ammolite

Pleonaste and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Silky, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Not Available
1.5 Refractive Index
1.7801.520-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.135-0.145
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Not Available

Pleonaste and Ammolite Optic Character

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

Similar to their colors, Pleonaste and Ammolite 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.