Sard and Apache Tear Optical Properties

Sard

Apache Tear

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1 Optical Properties

1.1 Luster

Waxy

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

Not Available

1.5 Refractive Index

1.535-1.539Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Amorphous

1.8 Birefringence

0.008-0.010Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Sard and Apache Tear Optic Character

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

Similar to their colors, Sard 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, Sard is Translucent while Sard is Translucent in appearance.