Apophyllite KF and Erythrite Optical Properties

Apophyllite KF

Erythrite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Subadamantine, Pearly

1.2 Pleochroism

Not Available

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.530-1.5361.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

monoclinic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Apophyllite KF and Erythrite Optic Character

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

Apophyllite KF Vs Hauyne

Apophyllite KF Vs Langbeinite

Apophyllite KF and Erythrite Transparency

Similar to their colors, Apophyllite KF and Erythrite 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.