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Prase Opal
Prase Opal

Inderite
Inderite



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Prase Opal
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Inderite

Prase Opal and Inderite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly, Greasy

Pleochroism

-
-

Dispersion

0.01-
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.370-1.4701.488-1.505
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

-99990.017
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Prase Opal and Inderite Optic Character

Prase Opal and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Prase Opal and Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Prase Opal and Inderite Transparency

Similar to their colors, Prase Opal and Inderite 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.