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Indicolite Blue Tourmaline
Indicolite Blue Tourmaline

Phenakite
Phenakite



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Indicolite Blue Tourmaline
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Phenakite

Indicolite Blue Tourmaline and Phenakite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Strong: dark blue light blueWalter Schumann
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
0.02
Rank: 24 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.614-1.666
1.650-1.695
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.014-0.040
0.016
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Indicolite Blue Tourmaline and Phenakite Optic Character

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

Similar to their colors, Indicolite Blue Tourmaline and Phenakite 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.