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Turquoise

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Turquoise and Apatite Optical Properties

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1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Weak
Blue stones – strong
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.01
Rank: 27 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.610-1.650
1.628-1.651
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Hexagonal
1.8 Birefringence
0.040
0.002-0.008
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Turquoise and Apatite Optic Character

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

Similar to their colors, Turquoise and Apatite 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.

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