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Rutile
Rutile

Montebrasite
Montebrasite



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Rutile
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Montebrasite

Rutile and Montebrasite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
Weak to distinct brownish red-green-yellow
0.33
Transparent, Translucent
2.609-2.903
-
tetragonal
0.296
Transparent
 
-
-
0.02
TransparentWalter Schumann
1.578-1.646
-
-
0.020-0.030
TransparentWalter Schumann

Rutile and Montebrasite Optic Character

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

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