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Rutile
Rutile

Montebrasite
Montebrasite



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Rutile
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Montebrasite

Rutile and Montebrasite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weak to distinct brownish red-green-yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
2.609-2.9031.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.2960.020-0.030
Achroite
0 0.296
1.9 Clarity
Transparent
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 and Montebrasite 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 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 Translucent and Transparent while Rutile is Translucent and Transparent in appearance.