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Pleonaste
Pleonaste

Gedrite
Gedrite



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Pleonaste
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Gedrite

Pleonaste and Gedrite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Fibrous, Vitreous
1.2 Pleochroism
Not Available
Weak to moderate
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.780
1.625-1.718
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Gemmological Tables (2004)
Transparent

Pleonaste and Gedrite Optic Character

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

Similar to their colors, Pleonaste and Gedrite 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.