Chrome Pyrope and Covellite Optical Properties

Chrome Pyrope

Covellite

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1 Optical Properties

1.1 Luster

Not Available

Resinous

1.2 Pleochroism

Not Available

Marked

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

1.5 Refractive Index

1.720-1.7401.45-2.62

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

OpaqueAnthony et al

Chrome Pyrope and Covellite Optic Character

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

Similar to their colors, Chrome Pyrope and Covellite 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.