Smoky Quartz and Gibbsite Optical Properties

Smoky Quartz

Gibbsite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

None

colorless.

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Not Available

1.5 Refractive Index

1.544-1.553Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

Opaque

Not Available

Smoky Quartz and Gibbsite Optic Character

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

Similar to their colors, Smoky Quartz and Gibbsite 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, Smoky Quartz is Translucent, Transparent and Transparent to translucent while Smoky Quartz is Translucent, Transparent and Transparent to translucent in appearance.