Manganotantalite and Chalcopyrite Optical Properties

Manganotantalite

Chalcopyrite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Sometimes strongArthur Thomas

AbsentWalter Schumann

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

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

Handbook of mineralogy (2001)

1.5 Refractive Index

2.19-2.34Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

tetragonal

1.8 Birefringence

0.015Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Handbook of mineralogy (2001)

Manganotantalite and Chalcopyrite Optic Character

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

Similar to their colors, Manganotantalite and Chalcopyrite 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.