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Pleonaste
Pleonaste

Carnelian
Carnelian



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Pleonaste
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Carnelian

Pleonaste and Carnelian Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent, Transparent to nearly opaque
1.5 Refractive Index
1.7801.535-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.003-0.009
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Translucent

Pleonaste and Carnelian Optic Character

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

Similar to their colors, Pleonaste and Carnelian 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.