Smoky Quartz and Watermelon Tourmaline Optical Properties

Smoky Quartz

Watermelon Tourmaline

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

None

Not Available

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

TransparentGemdat.org, Management Team (2012)

1.5 Refractive Index

1.544-1.5531.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.0090.014-0.040

0 0.296

1.9 Clarity

Opaque

TransparentGemdat.org

Smoky Quartz and Watermelon Tourmaline Optic Character

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

Similar to their colors, Smoky Quartz and Watermelon Tourmaline 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.