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Indicolite Blue Tourmaline
Indicolite Blue Tourmaline

Lapis lazuli
Lapis lazuli



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Indicolite Blue Tourmaline
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Lapis lazuli

Indicolite Blue Tourmaline and Lapis lazuli Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Strong: dark blue light blueWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Opaque
1.5 Refractive Index
1.614-1.6661.500-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.014-0.040Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemstones of the world (2001)

Indicolite Blue Tourmaline and Lapis lazuli Optic Character

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

Similar to their colors, Indicolite Blue Tourmaline and Lapis lazuli 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.