Pyrope Garnet and Bustamite Optical Properties

Pyrope Garnet

Bustamite

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Optical Properties

Luster

Vitreous

Pleochroism

Weak

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.720-1.7601.662-1.707

1 3.25

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Optic Character

Crystal System

Isometric

Triclinic

Birefringence

-99990.013-0.015

0 0.296

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Clarity

Transparent to translucent

Transparent

Pyrope Garnet and Bustamite Optic Character

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

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