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Pleonaste
Pleonaste

Montebrasite
Montebrasite



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Pleonaste
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Montebrasite

Pleonaste and Montebrasite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.7801.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.020-0.030
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
TransparentWalter Schumann

Pleonaste and Montebrasite Optic Character

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

Similar to their colors, Pleonaste and Montebrasite 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.