Apache Tear and Jet Optical Properties

Apache Tear

Jet

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1 Optical Properties

1.1 Luster

Not Available

Waxy

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

1.5 Refractive Index

Not Available1.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Amorphous

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Gemmological Tables (2004) More from other references

Apache Tear and Jet Optic Character

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

Similar to their colors, Apache Tear and Jet 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.