Friedelite and Chrome Pyrope Optical Properties

Friedelite

Chrome Pyrope

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

NilArthur Thomas

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.627-1.6631.720-1.740

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Not Available

1.8 Birefringence

0.032-0.035Not Available

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Friedelite and Chrome Pyrope Optic Character

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

Similar to their colors, Friedelite 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, Friedelite is Translucent while Friedelite is Translucent in appearance.