Turquoise and Apache Tear Optical Properties

Turquoise

Apache Tear

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1 Optical Properties

1.1 Luster

Waxy

Not Available

1.2 Pleochroism

Weak

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Opaque

Not Available

1.5 Refractive Index

1.610-1.650Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Amorphous

1.8 Birefringence

0.040Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Turquoise and Apache Tear Optic Character

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

Similar to their colors, Turquoise 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.