Jet and Apache Tear Optical Properties

Jet

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

Albite Optical ..

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None

Rank: N/A (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Gemmological Tables (2004) More from other references

Not Available

1.5 Refractive Index

1.640-1.680

Not Available

1.6 Optic Character

Not Available

1.7 Crystal System

Amorphous

1.8 Birefringence

Not Available

1.9 Clarity

Gemmological Tables (2004) More from other references

Not Available

Jet and Apache Tear Optic Character

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

Similar to their colors, Jet 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, Jet is Gemmological Tables (2004) More from other references while Jet is Gemmological Tables (2004) More from other references in appearance.