Sunstone and Smoky Quartz Optical Properties

Sunstone

Smoky Quartz

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak or absentWalter Schumann

None

1.3 Dispersion

None0.01

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.53-1.551.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Hexagonal

1.8 Birefringence

0.007-0.0100.009

0 0.296

1.9 Clarity

Transparent to translucent

Opaque

Sunstone and Smoky Quartz Optic Character

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

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