Cryolite and Transvaal Jade Optical Properties

Cryolite

Transvaal Jade

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Pearly

Not Available

1.2 Pleochroism

colorless.

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

1.338-1.339Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.001Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Cryolite and Transvaal Jade Optic Character

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

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