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Turquoise
Turquoise

Cavansite
Cavansite



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Turquoise
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Cavansite

Turquoise and Cavansite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous, Pearly
1.3 Pleochroism
Weak
Visible: X=Z= colorless Y= blue
1.5 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.6 Transparency
Translucent, Opaque
Not Available
1.8 Refractive Index
1.610-1.6501.542
Agate Opal
1 3.25
1.10 Optic Character
Not Available
Not Available
1.12 Crystal System
Triclinic
Orthorhombic
1.14 Birefringence
0.0400.009
Achroite
0 0.296
1.16 Clarity
Translucent
Not Available

Turquoise and Cavansite Optic Character

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

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