Elbaite and Transvaal Jade Optical Properties

Elbaite

Transvaal Jade

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Pale green

Not Available

1.3 Dispersion

0.020.03

0.007 1

1.4 Transparency

Transparent

Gemmological Tables (2004)

1.5 Refractive Index

1.614-1.666Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.014-0.032Not Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Elbaite and Transvaal Jade Optic Character

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

Similar to their colors, Elbaite and Transvaal Jade 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, Elbaite is Transparent while Elbaite is Transparent in appearance.