Bustamite and Chrome Pyrope Optical Properties

Bustamite

Chrome Pyrope

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Weak

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.662-1.7071.720-1.740

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.013-0.015Not Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Bustamite and Chrome Pyrope Optic Character

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

Similar to their colors, Bustamite 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, Bustamite is Translucent and Transparent while Bustamite is Translucent and Transparent in appearance.