Leucite and Jet Optical Properties

Leucite

Jet

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1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

0.01None

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.504-1.5101.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Amorphous

1.8 Birefringence

0.001Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Gemmological Tables (2004) More from other references

Leucite and Jet Optic Character

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

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