Manganotantalite and Magnetite Optical Properties

Manganotantalite

Magnetite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Sometimes strongArthur Thomas

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

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

Gemmological Tables (2004)

1.5 Refractive Index

2.19-2.342.42

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.015Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Gemmological Tables (2004)

Manganotantalite and Magnetite Optic Character

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

Similar to their colors, Manganotantalite and Magnetite 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.