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Corundum
Corundum

Eosphorite
Eosphorite



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Corundum
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Eosphorite

Corundum and Eosphorite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous, Resinous
1.2 Pleochroism
None
Visible: X = yellow; Y = pink; Z = pale pink to colorless
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.758-1.7801.639-1.672
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.007-0.0100.029-0.032
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Corundum and Eosphorite Optic Character

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

Corundum and Eosphorite Transparency

Similar to their colors, Corundum and Eosphorite 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, Corundum is Translucent and Transparent while Corundum is Translucent and Transparent in appearance.