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Turquoise
Turquoise

Lazurite
Lazurite



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Turquoise
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Lazurite

Turquoise and Lazurite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.610-1.6501.500
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Isometric
1.8 Birefringence
0.040Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Turquoise and Lazurite Optic Character

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

Similar to their colors, Turquoise and Lazurite 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.