Schorl and Linarite Optical Properties

Schorl

Linarite

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1 Optical Properties

1.1 Luster

Vitreous

Sub-Adamantine, Vitreous

1.2 Pleochroism

Very strong: yellow-brown pale yellow

X = pale blue; Y = blue; Z = Prussian blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

1.635-1.6721.809-1.859

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.0250.050

0 0.296

1.9 Clarity

Transparent

Schorl and Linarite Optic Character

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

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Schorl and Linarite Transparency

Similar to their colors, Schorl and Linarite 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.