Sunstone and Turquoise Optical Properties

Sunstone

Turquoise

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1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

Weak or absentWalter Schumann

Weak

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent, Opaque

1.5 Refractive Index

1.53-1.551.610-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

1.8 Birefringence

0.007-0.0100.040

0 0.296

1.9 Clarity

Transparent to translucent

Translucent

Sunstone and Turquoise Optic Character

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

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