Quartz and Turquoise Optical Properties

Quartz

Turquoise

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1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

None

Weak

1.3 Dispersion

0.01None

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent, Opaque

1.5 Refractive Index

1.544-1.5531.610-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Triclinic

1.8 Birefringence

0.0090.040

0 0.296

1.9 Clarity

Opaque

Translucent

Quartz and Turquoise Optic Character

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

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