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Xenotime
Xenotime

Andalusite
Andalusite



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Xenotime
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Andalusite

Xenotime and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
strongly trichroic
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
1.720-1.8271.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.0950.009-0.010
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Transparent

Xenotime and Andalusite Optic Character

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

Xenotime and Andalusite Transparency

Similar to their colors, Xenotime and Andalusite 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.