Nosean and Tourmaline Optical Properties

Nosean

Tourmaline

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

typically moderate to strong

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Transparent to opaque

1.5 Refractive Index

Not Available1.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

Transparent

Nosean and Tourmaline Optic Character

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

Nosean Vs Phosphosiderite

Nosean and Tourmaline Transparency

Similar to their colors, Nosean and Tourmaline 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.