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Pleonast
Pleonast

Phosphosiderite
Phosphosiderite



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Pleonast
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Phosphosiderite

Pleonast and Phosphosiderite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Pale rose-red carmine-red colorlessAnthony et al

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

-99991.692-1.739
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.240
0 0.296
👆🏻

Clarity

-
Transparent

Pleonast and Phosphosiderite Optic Character

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

Similar to their colors, Pleonast and Phosphosiderite 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.