Schorl and Narsarsukite Optical Properties

Schorl

Narsarsukite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

Very strong: yellow-brown pale yellow

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.635-1.6721.610-1.647

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

tetragonal

1.8 Birefringence

0.0250.021

0 0.296

1.9 Clarity

Transparent

Schorl and Narsarsukite Optic Character

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

Compare Black Gemstones

Schorl Vs Triplite

Schorl Vs Snowflake Obsidian

Schorl Vs Xenotime

Schorl and Narsarsukite Transparency

Similar to their colors, Schorl 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, Schorl is Translucent and Transparent while Schorl is Translucent and Transparent in appearance.