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Taaffeite
Taaffeite

Liddicoatite
Liddicoatite



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Taaffeite
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Liddicoatite

Taaffeite and Liddicoatite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak
Strong: dark brown light brownAnthony et al

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.70-1.73-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.055-9999
0 0.296
👆🏻

Clarity

-
Transparent

Taaffeite and Liddicoatite Optic Character

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

Similar to their colors, Taaffeite and Liddicoatite 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.