Manganotantalite and Chlorapatite Optical Properties

Manganotantalite

Chlorapatite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Sometimes strongArthur Thomas

Weak to moderate; in pale colors.Anthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

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

Transparent

1.5 Refractive Index

2.19-2.341.665-1.667

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

Transparent

Manganotantalite and Chlorapatite Optic Character

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

Similar to their colors, Manganotantalite and Chlorapatite 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.