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Brookite
Brookite

Legrandite
Legrandite



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Brookite
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Legrandite

Brookite and Legrandite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Very weak
Colorless
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gems
1.5 Refractive Index
2.583-2.7411.702-1.740
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.1170.060
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gems

Brookite and Legrandite Optic Character

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

Brookite and Legrandite Transparency

Similar to their colors, Brookite and Legrandite 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, Brookite is Gemmological Tables (2004) More from other references while Brookite is Gemmological Tables (2004) More from other references in appearance.