Pleonaste and Super Seven Crystals Optical Properties

Pleonaste

Super Seven Crystals

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly, Silky

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent, Opaque

1.5 Refractive Index

1.7801.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

Not Available0.0090-0.0100

0 0.296

1.9 Clarity

Gemmological Tables (2004)

Not Available

Pleonaste and Super Seven Crystals Optic Character

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

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Pleonaste and Super Seven Crystals Transparency

Similar to their colors, Pleonaste and Super Seven Crystals 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.