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Gahnospinel
Gahnospinel

Verdelite
Verdelite



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Gahnospinel
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Verdelite

Gahnospinel and Verdelite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Strong: dark green yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
1.735-1.790
1.614-1.666
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not Available
0.014-0.040
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Gahnospinel and Verdelite Optic Character

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

Similar to their colors, Gahnospinel and Verdelite 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.