Rutile and Yttrium Aluminium Garnet Optical Properties

Rutile

Yttrium Aluminium Garnet

Add ⊕

1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Weak to distinct brownish red-green-yellow

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004)

1.5 Refractive Index

2.609-2.9031.833

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

0.296Not Available

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Rutile and Yttrium Aluminium Garnet Optic Character

Rutile and Yttrium Aluminium Garnet optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Rutile and Yttrium Aluminium Garnet 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 Rutile and Yttrium Aluminium Garnet 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.

Compare Red Gemstones

Rutile Vs Stibiotantalite

Rutile Vs Spessartine

Rutile Vs Star Ruby

Rutile and Yttrium Aluminium Garnet Transparency

Similar to their colors, Rutile and Yttrium Aluminium Garnet 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, Rutile is Translucent and Transparent while Rutile is Translucent and Transparent in appearance.