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Tugtupite
Tugtupite

Lazurite
Lazurite



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Tugtupite
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Lazurite

Tugtupite and Lazurite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
ModerateArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
OpaqueHerve Nicolas Lazzarelli
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.494-1.5041.500
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Isometric
1.8 Birefringence
0.008Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Gemmological Tables (2004) More from other references

Tugtupite and Lazurite Optic Character

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

Similar to their colors, Tugtupite and Lazurite 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.