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Kornerupine
Kornerupine

Nepouite
Nepouite



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Kornerupine
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Nepouite

Kornerupine and Nepouite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy, Pearly
1.2 Pleochroism
X = colorless to green; Y = colorless
Weak
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.660-1.6851.600-1.630
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.012-0.017Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Kornerupine and Nepouite Optic Character

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

Kornerupine and Nepouite Transparency

Similar to their colors, Kornerupine and Nepouite 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, Kornerupine is Gemmological Tables (2004) More from other references while Kornerupine is Gemmological Tables (2004) More from other references in appearance.