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Jasper
Jasper

Rosasite
Rosasite



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Jasper
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Rosasite

Jasper and Rosasite Optical Properties

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Optical Properties

Luster

Vitreous
Silky, Vitreous

Pleochroism

-
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Dispersion

0.010.03
0.005 1
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Transparency

Opaque
-

Refractive Index

1.5401.672-1.688
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.139-0.143
0 0.296
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Clarity

OpaqueHerve Nicolas Lazzarelli
-

Jasper and Rosasite Optic Character

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

Similar to their colors, Jasper and Rosasite 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.