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Parisite
Parisite

Iddingsite
Iddingsite



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Parisite
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Iddingsite

Parisite and Iddingsite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.03-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.671-1.771-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.099-0.100-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Parisite and Iddingsite Optic Character

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

Parisite and Iddingsite Transparency

Similar to their colors, Parisite and Iddingsite 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, Parisite is while Parisite is in appearance.