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Ammolite
Ammolite

Corundum
Corundum



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Ammolite
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Corundum

Ammolite and Corundum Optical Properties

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1 Optical Properties
1.1 Luster
Silky, Vitreous
Adamantine, Vitreous
1.2 Pleochroism
None
None
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.520-1.670
1.758-1.780
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.135-0.145
0.007-0.010
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Ammolite and Corundum Optic Character

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

Ammolite and Corundum Transparency

Similar to their colors, Ammolite and Corundum 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, Ammolite is Not Available while Ammolite is Not Available in appearance.