Smoky Quartz and Herderite Optical Properties

Smoky Quartz

Herderite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

None

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.544-1.5531.587-1.642

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

0.0090.028-0.032

0 0.296

1.9 Clarity

Opaque

Transparent

Smoky Quartz and Herderite Optic Character

Smoky Quartz and Herderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Smoky Quartz and Herderite 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 Herderite 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. Herderite has Biaxial/+ character.

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Smoky Quartz and Herderite Transparency

Similar to their colors, Smoky Quartz and Herderite 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.