Lazulite and Chrome Pyrope Optical Properties

Lazulite

Chrome Pyrope

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.604-1.6461.720-1.740

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.031-0.036Not Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Lazulite and Chrome Pyrope Optic Character

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

Similar to their colors, Lazulite and Chrome Pyrope 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, Lazulite is Translucent and Transparent while Lazulite is Translucent and Transparent in appearance.