Rock Crystal and Jet Optical Properties

Rock Crystal

Jet

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1 Optical Properties

1.1 Luster

Not Available

Waxy

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

0.01None

0.007 1

1.4 Transparency

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.544-1.5531.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Amorphous

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

TransparentWalter Schumann

Gemmological Tables (2004) More from other references

Rock Crystal and Jet Optic Character

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

Similar to their colors, Rock Crystal 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, Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.