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Legrandite
Legrandite

Star Sapphire
Star Sapphire



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Legrandite
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Star Sapphire

Legrandite and Star Sapphire 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
Transparent, Translucent
1.5 Refractive Index
1.702-1.7401.758-1.780
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.0600.007-0.010
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Legrandite and Star Sapphire Optic Character

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

Similar to their colors, Legrandite and Star Sapphire 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.