Peridot and Jet Optical Properties

Peridot

Jet

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

Waxy

1.2 Pleochroism

Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

AbsentWalter Schumann

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.64-1.691.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Amorphous

1.8 Birefringence

0.036Not Available

0 0.296

1.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

Peridot and Jet Optic Character

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

Similar to their colors, Peridot 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, Peridot is Transparent while Peridot is Transparent in appearance.