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Rutile
Rutile

Catapleiite
Catapleiite



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Rutile
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Catapleiite

Rutile and Catapleiite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

Weak to distinct brownish red-green-yellow
-

Dispersion

0.330.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

2.609-2.9031.590-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

Birefringence

0.2960.039
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Rutile and Catapleiite Optic Character

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

Rutile and Catapleiite Transparency

Similar to their colors, Rutile and Catapleiite 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, Rutile is Transparent and Translucent while Rutile is Transparent and Translucent in appearance.