Nosean and Spinel Optical Properties

Nosean

Spinel

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Absent

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

Not Available1.73

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Nosean and Spinel Optic Character

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

Similar to their colors, Nosean and Spinel 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.