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Gahnospinel
Gahnospinel

Aegirine
Aegirine



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Gahnospinel
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Aegirine

Gahnospinel and Aegirine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous
1.2 Pleochroism
AbsentWalter Schumann
X = emerald green
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.735-1.7901.720-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
monoclinic
1.8 Birefringence
Not Available0.037-0.061
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemmological Tables (2004) More from other references

Gahnospinel and Aegirine Optic Character

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

Similar to their colors, Gahnospinel and Aegirine 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.