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Indicolite Blue Tourmaline
Indicolite Blue Tourmaline

Manganotantalite
Manganotantalite



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Indicolite Blue Tourmaline
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Manganotantalite

Indicolite Blue Tourmaline and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Strong: dark blue light blueWalter Schumann
Sometimes strongArthur Thomas
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.614-1.666
2.19-2.34
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.014-0.040
0.015
1.9 Clarity
Transparent
TransparentWalter Schumann

Indicolite Blue Tourmaline and Manganotantalite Optic Character

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

Indicolite Blue Tourmaline and Manganotantalite Transparency

Similar to their colors, Indicolite Blue Tourmaline 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, Indicolite Blue Tourmaline is Translucent and Transparent while Indicolite Blue Tourmaline is Translucent and Transparent in appearance.