Leucite and Spinel Optical Properties

Leucite

Spinel

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Absent

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.504-1.5101.73

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Isometric

1.8 Birefringence

0.001Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Leucite and Spinel Optic Character

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

Similar to their colors, Leucite and Spinel 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.