Apache Tear and Rubellite Optical Properties

Apache Tear

Rubellite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

Strong: dark red pinkish-redHerve Nicolas Lazzarelli

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Not Available

Transparent, Translucent

1.5 Refractive Index

Not Available1.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Amorphous

Not Available

1.8 Birefringence

Not Available0.014-0.040

0 0.296

1.9 Clarity

Not Available

Transparent

Apache Tear and Rubellite Optic Character

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

Similar to their colors, Apache Tear and Rubellite 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, Apache Tear is Not Available while Apache Tear is Not Available in appearance.