Sarcopside and Allanite Optical Properties

Sarcopside

Allanite

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1 Optical Properties

1.1 Luster

Waxy

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentAnthony et al, Handbook of mineralogy (2001)

Not Available

1.5 Refractive Index

1.670-1.7341

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.013-0.036

0 0.296

1.9 Clarity

TranslucentAnthony et al

Not Available

Sarcopside and Allanite Optic Character

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

Similar to their colors, Sarcopside and Allanite 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, Sarcopside is Handbook of mineralogy (2001) and TranslucentAnthony et al while Sarcopside is Handbook of mineralogy (2001) and TranslucentAnthony et al in appearance.