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Turquoise
Turquoise

Cobaltite
Cobaltite



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Turquoise
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Cobaltite

Turquoise and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Not Available
1.2 Pleochroism
Weak
Very weak
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Gems
1.5 Refractive Index
1.610-1.650Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.040Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Gems

Turquoise and Cobaltite Optic Character

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

Similar to their colors, Turquoise and Cobaltite 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.