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Poudretteite
Poudretteite

Rutile
Rutile



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Poudretteite
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Rutile

Poudretteite and Rutile Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

Colorless
Weak to distinct brownish red-green-yellow

Dispersion

0.020.33
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.511-1.5322.609-2.903
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
tetragonal

Birefringence

0.0210.296
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Poudretteite and Rutile Optic Character

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

Poudretteite and Rutile Transparency

Similar to their colors, Poudretteite and Rutile 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, Poudretteite is while Poudretteite is in appearance.