Gadolinium Gallium Garnet and Apophyllite Optical Properties

Gadolinium Gallium Garnet

Apophyllite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly

1.2 Pleochroism

Not Available

Dichroic (colorless)

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

1.97-2.031.530-1.543

1 3.25

1.6 Optic Character

Not Available

Uniaxial/-

1.7 Crystal System

Not Available

tetragonal

1.8 Birefringence

Not Available0.000-0.003

0 0.296

1.9 Clarity

Not Available

Transparent

Gadolinium Gallium Garnet and Apophyllite Optic Character

Gadolinium Gallium Garnet and Apophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gadolinium Gallium Garnet and Apophyllite 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 Gadolinium Gallium Garnet and Apophyllite 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. Apophyllite has Uniaxial/- character.

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Gadolinium Gallium Garnet and Apophyllite Transparency

Similar to their colors, Gadolinium Gallium Garnet and Apophyllite 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, Gadolinium Gallium Garnet is Not Available while Gadolinium Gallium Garnet is Not Available in appearance.