Apophyllite KF and Manganotantalite Optical Properties

Apophyllite KF

Manganotantalite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Not Available

1.2 Pleochroism

Not Available

Sometimes strongArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

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

1.5 Refractive Index

1.530-1.5362.19-2.34

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

Not Available0.015

0 0.296

1.9 Clarity

Not Available

TransparentWalter Schumann

Apophyllite KF and Manganotantalite Optic Character

Apophyllite KF and Manganotantalite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Apophyllite KF and Manganotantalite 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 Apophyllite KF and Manganotantalite 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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Apophyllite KF Vs Hauyne

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Nepouite

Apophyllite KF and Manganotantalite Transparency

Similar to their colors, Apophyllite KF and Manganotantalite 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, Apophyllite KF is Not Available while Apophyllite KF is Not Available in appearance.