Xenotime and Augite Optical Properties

Xenotime

Augite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Resinous

1.2 Pleochroism

Not Available

Pale green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent

1.5 Refractive Index

1.720-1.8271.671-1.774

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

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

1.8 Birefringence

0.095Not Available

0 0.296

1.9 Clarity

Gemmological Tables (2004)

Transparent

Xenotime and Augite Optic Character

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

Similar to their colors, Xenotime and Augite 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, Xenotime is Gemmological Tables (2004) while Xenotime is Gemmological Tables (2004) in appearance.