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Ametrine
Ametrine

Corundum
Corundum



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Ametrine
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Corundum

Ametrine and Corundum Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.544-1.553
1.758-1.780
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.009
0.007-0.010
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Ametrine and Corundum Optic Character

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

Ametrine and Corundum Transparency

Similar to their colors, Ametrine 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, Ametrine is Transparent while Ametrine is Transparent in appearance.