Gadolinium Gallium Garnet and Manganotantalite Optical Properties

Gadolinium Gallium Garnet

Manganotantalite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

Sometimes strongArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.97-2.032.19-2.34

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.015

0 0.296

1.9 Clarity

Not Available

TransparentWalter Schumann

Gadolinium Gallium Garnet and Manganotantalite Optic Character

Gadolinium Gallium Garnet and Manganotantalite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gadolinium Gallium Garnet and Manganotantalite 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 Manganotantalite 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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Gadolinium Gallium Garnet and Manganotantalite Transparency

Similar to their colors, Gadolinium Gallium Garnet and Manganotantalite 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.