Smoky Quartz and Tanzanite Optical Properties

Smoky Quartz

Tanzanite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

None

Present

1.3 Dispersion

0.010.03

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.544-1.5531.685-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Orthorhombic

1.8 Birefringence

0.0090.006-0.018

0 0.296

1.9 Clarity

Opaque

TransparentUlrich Henn and Claudio C. Milisenda

Smoky Quartz and Tanzanite Optic Character

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

Similar to their colors, Smoky Quartz and Tanzanite 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.