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Feldspar
Feldspar

Kornerupine
Kornerupine



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Feldspar
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Kornerupine

Feldspar and Kornerupine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
X = colorless to green; Y = colorless
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.518-1.570
1.660-1.685
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Orthorhombic
1.8 Birefringence
0.008-0.010
0.012-0.017
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Feldspar and Kornerupine Optic Character

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

Similar to their colors, Feldspar and Kornerupine 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.