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Feldspar
Feldspar

Labradorite
Labradorite



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Feldspar
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Labradorite

Feldspar and Labradorite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
None
From the Congo
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.518-1.5701.554-1.573
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Triclinic
1.8 Birefringence
0.008-0.0100.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Feldspar and Labradorite Optic Character

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

Feldspar and Labradorite Transparency

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