Jet and Fire Opal Optical Properties

Jet

Fire Opal

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1 Optical Properties

1.1 Luster

Waxy

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Transparent, Translucent

1.5 Refractive Index

1.640-1.6801.370-1.470

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

Gemmological Tables (2004) More from other references

Transparent

Jet and Fire Opal Optic Character

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

Similar to their colors, Jet and Fire Opal 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.