Schorl and Indicolite Blue Tourmaline Optical Properties

Schorl

Indicolite Blue Tourmaline

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Very strong: yellow-brown pale yellow

Strong: dark blue light blueWalter Schumann

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent, Translucent

1.5 Refractive Index

1.635-1.6721.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0250.014-0.040

0 0.296

1.9 Clarity

Transparent

Schorl and Indicolite Blue Tourmaline Optic Character

Schorl and Indicolite Blue Tourmaline optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Schorl and Indicolite Blue 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 Schorl and Indicolite Blue 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 Black Gemstones

Schorl Vs Snowflake Obsidian

Schorl Vs Xenotime

Schorl Vs Triplite

Schorl and Indicolite Blue Tourmaline Transparency

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