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Pleonast
Pleonast

Aragonite
Aragonite



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Pleonast
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Aragonite

Pleonast and Aragonite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
StrongArthur Thomas

Dispersion

0.030.17
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

-99991.525-1.686
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.155
0 0.296
👆🏻

Clarity

-
Transparent

Pleonast and Aragonite Optic Character

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

Pleonast and Aragonite Transparency

Similar to their colors, Pleonast and Aragonite 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, Pleonast is while Pleonast is in appearance.