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Tugtupite
Tugtupite

Sugilite
Sugilite



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Sugilite

Tugtupite and Sugilite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
ModerateArthur Thomas
Weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
OpaqueHerve Nicolas Lazzarelli
Translucent
1.5 Refractive Index
1.494-1.504
1.607-1.612
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Hexagonal
1.8 Birefringence
0.008
0.003
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Translucent

Tugtupite and Sugilite Optic Character

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

Tugtupite and Sugilite Transparency

Similar to their colors, Tugtupite and Sugilite 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.