White topaz and Zoisite Optical Properties

White topaz

Zoisite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

1.5 Refractive Index

Not Available1.685-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

Not Available0.006-0.018

0 0.296

1.9 Clarity

Not Available

Transparent

White topaz and Zoisite Optic Character

White topaz and Zoisite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the White topaz and Zoisite 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 White topaz and Zoisite 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 Blue Gemstones

White topaz Vs Andradite Garnet

White topaz Vs Indicolite

White topaz Vs Orbicular jasper

White topaz and Zoisite Transparency

Similar to their colors, White topaz and Zoisite 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, White topaz is Not Available while White topaz is Not Available in appearance.