Schorl and Shattuckite Optical Properties

Schorl

Shattuckite

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

Very strong: yellow-brown pale yellow

X = very pale blue; Y = pale blue; Z = deep blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.635-1.6721.752-1.815

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.0250.063

0 0.296

1.9 Clarity

Transparent

Translucent

Schorl and Shattuckite Optic Character

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

Similar to their colors, Schorl and Shattuckite 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.