Variscite and Manganotantalite Optical Properties

Variscite

Manganotantalite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Waxy

Not Available

1.2 Pleochroism

MissingWalter Schumann

Sometimes strongArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

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

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.560-1.5942.19-2.34

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.0310.015

0 0.296

1.9 Clarity

Translucent

TransparentWalter Schumann

Variscite and Manganotantalite Optic Character

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

Variscite Vs Amazonite

Variscite Vs Aragonite

Variscite and Manganotantalite Transparency

Similar to their colors, Variscite and Manganotantalite 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.