Variscite and Riebeckite Optical Properties

Variscite

Riebeckite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Waxy

Vitreous, Silky

1.2 Pleochroism

MissingWalter Schumann

X = blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

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

Not Available

1.5 Refractive Index

1.560-1.5941.680-1.698

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.0310.005-0.008

0 0.296

1.9 Clarity

Translucent

Not Available

Variscite and Riebeckite Optic Character

Variscite and Riebeckite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Variscite and Riebeckite 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 Variscite and Riebeckite 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 Gems for Virgo

Variscite Vs Amazonite

Variscite Vs Aragonite

Variscite Vs Garnet

Variscite and Riebeckite Transparency

Similar to their colors, Variscite and Riebeckite 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, Variscite is Opaque . May be translucent when backlit on the edges. and Translucent while Variscite is Opaque . May be translucent when backlit on the edges. and Translucent in appearance.