Manganotantalite and Tigers Eye Optical Properties

Manganotantalite

Tigers Eye

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1 Optical Properties

1.1 Luster

Not Available

Silky

1.2 Pleochroism

Sometimes strongArthur Thomas

Not Available

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

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

Opaque

1.5 Refractive Index

2.19-2.341.534-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

0.015Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Gemstones of the world (2001) More from other references

Manganotantalite and Tigers Eye Optic Character

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

Similar to their colors, Manganotantalite and Tigers Eye 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, Manganotantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Manganotantalite is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.