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Legrandite
Legrandite

Dumortierite quartz
Dumortierite quartz



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Legrandite
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Dumortierite quartz

Legrandite and Dumortierite quartz Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Colorless
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Not Available
1.5 Refractive Index
1.702-1.740Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.060Not Available
Achroite
0 0.296
1.9 Clarity
Gems
Not Available

Legrandite and Dumortierite quartz Optic Character

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

Legrandite and Dumortierite quartz Transparency

Similar to their colors, Legrandite and Dumortierite quartz 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, Legrandite is Gems while Legrandite is Gems in appearance.