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Turquoise
Turquoise

Manganotantalite
Manganotantalite



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Turquoise
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Manganotantalite

Turquoise and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Not Available
1.2 Pleochroism
Weak
Sometimes strongArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.610-1.6502.19-2.34
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.0400.015
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentWalter Schumann

Turquoise and Manganotantalite Optic Character

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

Similar to their colors, Turquoise and Manganotantalite 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.