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Labradorite
Labradorite

Milarite
Milarite



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Labradorite
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Milarite

Labradorite and Milarite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
From the Congo
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.554-1.5731.529-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.008-0.0100.000-0.011
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Labradorite and Milarite Optic Character

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

Labradorite and Milarite Transparency

Similar to their colors, Labradorite and Milarite 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, Labradorite is Transparent, Translucent and Transparent to translucent while Labradorite is Transparent, Translucent and Transparent to translucent in appearance.