Nosean and Aegirine Optical Properties

Nosean

Aegirine

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Resinous

1.2 Pleochroism

Not Available

X = emerald green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

Not Available1.720-1.778

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

Not Available0.037-0.061

0 0.296

1.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

Nosean and Aegirine Optic Character

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

Nosean Vs Phosphosiderite

Nosean Vs Powellite

Nosean and Aegirine Transparency

Similar to their colors, Nosean and Aegirine 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.