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Gahnite
Gahnite

Aquamarine
Aquamarine



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Gahnite
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Aquamarine

Gahnite and Aquamarine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.790-1.8181.570-1.592
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Hexagonal
1.8 Birefringence
Not Available0.005-0.009
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent to translucent

Gahnite and Aquamarine Optic Character

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

Gahnite and Aquamarine Transparency

Similar to their colors, Gahnite and Aquamarine 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, Gahnite is Gemmological Tables (2004) More from other references while Gahnite is Gemmological Tables (2004) More from other references in appearance.