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Kornerupine
Kornerupine

Andesine
Andesine



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Kornerupine
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Andesine

Kornerupine and Andesine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
X = colorless to green; Y = colorless
colorless.
1.3 Dispersion
0.020.70
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.660-1.6851.543-1.564
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.012-0.0170.007-0.011
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Kornerupine and Andesine Optic Character

Kornerupine and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Kornerupine and Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

Kornerupine and Andesine Transparency

Similar to their colors, Kornerupine and Andesine 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.