Shattuckite and Jet Optical Properties

Shattuckite

Jet

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1 Optical Properties

1.1 Luster

Silky

Waxy

1.2 Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.752-1.8151.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Amorphous

1.8 Birefringence

0.063Not Available

0 0.296

1.9 Clarity

Translucent

Gemmological Tables (2004) More from other references

Shattuckite and Jet Optic Character

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

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