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Turquoise
Turquoise

Catapleiite
Catapleiite



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Turquoise
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Catapleiite

Turquoise and Catapleiite Optical Properties

Optical Properties

Luster

Waxy
Vitreous

Pleochroism

Weak
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent, Opaque
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.610-1.6501.590-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

Birefringence

0.0400.039
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Turquoise and Catapleiite Optic Character

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

Turquoise and Catapleiite Transparency

Similar to their colors, Turquoise and Catapleiite 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, Turquoise is Translucent and Opaque while Turquoise is Translucent and Opaque in appearance.