Pezzottaite and Apache Tear Optical Properties

Pezzottaite

Apache Tear

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Moderate dichroic

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.598-1.620Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Amorphous

1.8 Birefringence

0.008-0.011Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Pezzottaite and Apache Tear Optic Character

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

Similar to their colors, Pezzottaite and Apache Tear 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.