Nuummite and Transvaal Jade Optical Properties

Nuummite

Transvaal Jade

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NA0.03

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Gemmological Tables (2004)

1.5 Refractive Index

1.635-1.663Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0170-0.230Not Available

0 0.296

1.9 Clarity

Gemmological Tables (2004) More from other references

TransparentUlrich Henn and Claudio C. Milisenda

Nuummite and Transvaal Jade Optic Character

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

Similar to their colors, Nuummite 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, Nuummite is Gemmological Tables (2004) More from other references while Nuummite is Gemmological Tables (2004) More from other references in appearance.