Andradite Garnet and Realgar Optical Properties

Andradite Garnet

Realgar

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Not Available

Nearly colorless to pale golden yellowAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Opaque, Transparent to opaque

Gems

1.5 Refractive Index

1.888-1.8892.538-2.704

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not Available0.166

0 0.296

1.9 Clarity

Transparent to opaque

Gems

Andradite Garnet and Realgar Optic Character

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

Similar to their colors, Andradite Garnet and Realgar 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, Andradite Garnet is Opaque, Transparent and Transparent to opaque while Andradite Garnet is Opaque, Transparent and Transparent to opaque in appearance.