Garnet Color Change and Precious Opal Optical Properties

Garnet Color Change

Precious Opal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

Not Available1.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Color grading system

Transparent

Garnet Color Change and Precious Opal Optic Character

Garnet Color Change and Precious Opal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Garnet Color Change and Precious Opal 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 Garnet Color Change and Precious Opal 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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Garnet Color Change and Precious Opal Transparency

Similar to their colors, Garnet Color Change and Precious Opal 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, Garnet Color Change is Not Available while Garnet Color Change is Not Available in appearance.