Tinzenite and Williamsite Optical Properties

Tinzenite

Williamsite

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1 Optical Properties

1.1 Luster

Vitreous

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

In thick sections

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

1.5 Refractive Index

1.690-1.7051.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Tinzenite and Williamsite Optic Character

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

Similar to their colors, Tinzenite and Williamsite 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, Tinzenite is Transparent while Tinzenite is Transparent in appearance.