Gadolinium Gallium Garnet and Amblygonite Optical Properties

Gadolinium Gallium Garnet

Amblygonite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous, Pearly

1.2 Pleochroism

Not Available

weak to none

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.97-2.031.578-1.646

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Triclinic

1.8 Birefringence

Not Available0.020-0.030

0 0.296

1.9 Clarity

Not Available

TransparentUlrich Henn and Claudio C. Milisenda

Gadolinium Gallium Garnet and Amblygonite Optic Character

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

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Gadolinium Gallium Garnet and Amblygonite Transparency

Similar to their colors, Gadolinium Gallium Garnet and Amblygonite 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.