Povondraite and Yttrium Aluminium Garnet Optical Properties

Povondraite

Yttrium Aluminium Garnet

Add ⊕

1 Optical Properties

1.1 Luster

Resinous

Not Available

1.2 Pleochroism

Strong: yellow-brown

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004)

1.5 Refractive Index

Not Available1.833

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Povondraite and Yttrium Aluminium Garnet Optic Character

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

Povondraite Vs Sonolite

Povondraite Vs Staurolite

Povondraite Vs Smoky Quartz

Povondraite and Yttrium Aluminium Garnet Transparency

Similar to their colors, Povondraite 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, Povondraite is Translucent while Povondraite is Translucent in appearance.