Narsarsukite and Chrome-Chalcedony Optical Properties

Narsarsukite

Chrome-Chalcedony

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Waxy

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.610-1.6471.530-1.543

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

0.0210.003-0.009

0 0.296

1.9 Clarity

Transparent

Translucent

Narsarsukite and Chrome-Chalcedony Optic Character

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

Similar to their colors, Narsarsukite and Chrome-Chalcedony 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, Narsarsukite is Translucent and Transparent while Narsarsukite is Translucent and Transparent in appearance.