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Gahnospinel
Gahnospinel

Aventurine
Aventurine



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Gahnospinel
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Aventurine

Gahnospinel and Aventurine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.735-1.790
1.544-1.553
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available
0.007-0.010
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Gahnospinel and Aventurine Optic Character

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

Similar to their colors, Gahnospinel and Aventurine 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.