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Pleonaste
Pleonaste

Piemontite
Piemontite



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Pleonaste
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Piemontite

Pleonaste and Piemontite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Not Available
1.5 Refractive Index
1.7801.725-1.756
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.025-0.076
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Not Available

Pleonaste and Piemontite Optic Character

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

Similar to their colors, Pleonaste and Piemontite 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.