Linarite and Variscite Optical Properties

Linarite

Variscite

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1 Optical Properties

1.1 Luster

Sub-Adamantine, Vitreous

Vitreous, Waxy

1.2 Pleochroism

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

MissingWalter Schumann

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Translucent, Opaque . May be translucent when backlit on the edges.

1.5 Refractive Index

1.809-1.8591.560-1.594

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.0500.031

0 0.296

1.9 Clarity

Transparent

Translucent

Linarite and Variscite Optic Character

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

Similar to their colors, Linarite and Variscite 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, Linarite is Transparent while Linarite is Transparent in appearance.