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Taaffeite
Taaffeite

Iddingsite
Iddingsite



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Taaffeite
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Iddingsite

Taaffeite and Iddingsite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak
-

Dispersion

0.02-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.70-1.73-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.055-9999
0 0.296
👆🏻

Clarity

-
-

Taaffeite and Iddingsite Optic Character

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

Taaffeite and Iddingsite Transparency

Similar to their colors, Taaffeite 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, Taaffeite is while Taaffeite is in appearance.