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Tugtupite
Tugtupite

Brookite
Brookite



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Tugtupite
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Brookite

Tugtupite and Brookite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
ModerateArthur Thomas
Very weak
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
1.494-1.5042.583-2.741
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.0080.117
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Gemmological Tables (2004) More from other references

Tugtupite and Brookite Optic Character

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

Similar to their colors, Tugtupite and Brookite 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.