Smoky Quartz and Inderite Optical Properties

Smoky Quartz

Inderite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly, Greasy

1.2 Pleochroism

None

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004)

1.5 Refractive Index

1.544-1.5531.488-1.505

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Hexagonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.0090.017

0 0.296

1.9 Clarity

Opaque

TransparentUlrich Henn and Claudio C. Milisenda

Smoky Quartz and Inderite Optic Character

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

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Smoky Quartz and Inderite Transparency

Similar to their colors, Smoky Quartz and Inderite 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.