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Labradorite
Labradorite

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Labradorite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
From the Congo
Weak or absentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.01
Rank: 28 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.554-1.573
1.53-1.55
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Triclinic
1.8 Birefringence
0.008-0.010
0.007-0.010
1.9 Clarity
Transparent
Transparent to translucent

Labradorite and Sunstone Optic Character

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

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