Nosean and Corundum Optical Properties

Nosean

Corundum

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1 Optical Properties

1.1 Luster

Not Available

Adamantine, Vitreous

1.2 Pleochroism

Not Available

None

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

Not Available1.758-1.780

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

Not Available0.007-0.010

0 0.296

1.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

Nosean and Corundum Optic Character

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

Compare Blue Gemstones

Nosean Vs Powellite

Nosean Vs Pleonaste

Nosean Vs Phosphosiderite

Nosean and Corundum Transparency

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