Manganotantalite and Chrome-Chalcedony Optical Properties

Manganotantalite

Chrome-Chalcedony

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1 Optical Properties

1.1 Luster

Not Available

Waxy

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

Translucent

1.5 Refractive Index

2.19-2.341.530-1.543

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0150.003-0.009

0 0.296

1.9 Clarity

TransparentWalter Schumann

Translucent

Manganotantalite and Chrome-Chalcedony Optic Character

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

Similar to their colors, Manganotantalite and Chrome-Chalcedony 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.