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Rutile
Rutile

Cobaltite
Cobaltite



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Rutile
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Cobaltite

Rutile and Cobaltite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weak to distinct brownish red-green-yellow
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gems
1.5 Refractive Index
2.609-2.903Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.296Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Rutile and Cobaltite Optic Character

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

Similar to their colors, Rutile and Cobaltite 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.