Nacre and Narsarsukite Optical Properties

Nacre

Narsarsukite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly

1.2 Pleochroism

Not Available

Weak; O = colorless to yellow; E = colorless to honey-yellow

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

Not Available1.610-1.647

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

tetragonal

1.8 Birefringence

Not Available0.021

0 0.296

1.9 Clarity

Not Available

Transparent

Nacre and Narsarsukite Optic Character

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

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Nacre and Narsarsukite Transparency

Similar to their colors, Nacre and Narsarsukite 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, Nacre is Not Available while Nacre is Not Available in appearance.