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Gahnospinel
Gahnospinel

Rutile
Rutile



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Gahnospinel
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Rutile

Gahnospinel and Rutile Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Weak to distinct brownish red-green-yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
1.735-1.7902.609-2.903
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
tetragonal
1.8 Birefringence
Not Available0.296
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Gahnospinel and Rutile Optic Character

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

Gahnospinel and Rutile Transparency

Similar to their colors, Gahnospinel 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, Gahnospinel is Gemmological Tables (2004) while Gahnospinel is Gemmological Tables (2004) in appearance.