Chrome Pyrope and Vivianite Optical Properties

Chrome Pyrope

Vivianite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly

1.2 Pleochroism

Not Available

Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael OâDonoghue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent

1.5 Refractive Index

1.720-1.7401.560-1.640

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.054-0.075

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Chrome Pyrope and Vivianite Optic Character

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

Similar to their colors, Chrome Pyrope and Vivianite 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, Chrome Pyrope is Gemmological Tables (2004) while Chrome Pyrope is Gemmological Tables (2004) in appearance.