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Indicolite Blue Tourmaline
Indicolite Blue Tourmaline

Stibiotantalite
Stibiotantalite



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Indicolite Blue Tourmaline
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Stibiotantalite

Indicolite Blue Tourmaline and Stibiotantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Strong: dark blue light blueWalter Schumann
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.614-1.6662.37-2.45
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.014-0.0400.08
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Indicolite Blue Tourmaline and Stibiotantalite Optic Character

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

Similar to their colors, Indicolite Blue Tourmaline and Stibiotantalite 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.