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Prase Opal
Prase Opal

Pyrophyllite
Pyrophyllite



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Prase Opal
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Pyrophyllite

Prase Opal and Pyrophyllite Optical Properties

Optical Properties

Luster

-
Pearly

Pleochroism

-
-

Dispersion

0.010.05
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.370-1.4701.534-1.601
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.050
0 0.296
👆🏻

Clarity

Transparent
Translucent

Prase Opal and Pyrophyllite Optic Character

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

Prase Opal and Pyrophyllite Transparency

Similar to their colors, Prase Opal and Pyrophyllite 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, Prase Opal is Transparent and Translucent while Prase Opal is Transparent and Translucent in appearance.