Leucite and Crocoite Optical Properties

Leucite

Crocoite

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1 Optical Properties

1.1 Luster

Vitreous

Adamantine

1.2 Pleochroism

Not Available

Distinctly trichroic

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent

1.5 Refractive Index

1.504-1.5102.31-2.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n

1.8 Birefringence

0.001Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Leucite and Crocoite Optic Character

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

Similar to their colors, Leucite and Crocoite 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.