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Gahnospinel
Gahnospinel

Ruby
Ruby



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Gahnospinel
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Ruby

Gahnospinel and Ruby Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Strong: purplish-red
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.735-1.7901.762-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available0.008
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Gahnospinel and Ruby Optic Character

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

Similar to their colors, Gahnospinel and Ruby 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.