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Boracite
Boracite

Turquoise
Turquoise



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Boracite
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Turquoise

Boracite and Turquoise Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Waxy

Pleochroism

None
Weak

Dispersion

-0.03
0.005 1
👆🏻

Transparency

Transparent
Translucent, Opaque

Refractive Index

1.658-1.6731.610-1.650
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Triclinic

Birefringence

0.010-0.0110.040
0 0.296
👆🏻

Clarity

Transparent
Translucent

Boracite and Turquoise Optic Character

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

Boracite and Turquoise Transparency

Similar to their colors, Boracite 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, Boracite is Transparent while Boracite is Transparent in appearance.