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Jasper
Jasper

Phosphosiderite
Phosphosiderite



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Phosphosiderite

Jasper and Phosphosiderite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Pale rose-red carmine-red colorlessAnthony et al

Dispersion

0.010.04
0.005 1
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Transparency

Opaque
Transparent

Refractive Index

1.5401.692-1.739
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-99990.240
0 0.296
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Clarity

OpaqueHerve Nicolas Lazzarelli
Transparent

Jasper and Phosphosiderite Optic Character

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

Jasper and Phosphosiderite Transparency

Similar to their colors, Jasper 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, Jasper is Opaque while Jasper is Opaque in appearance.