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Kornerupine
Kornerupine

Ettringite
Ettringite



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Kornerupine
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Ettringite

Kornerupine and Ettringite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
X = colorless to green; Y = colorless
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.660-1.6851.470-1.491
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.012-0.0170.021
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Kornerupine and Ettringite Optic Character

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

Similar to their colors, Kornerupine and Ettringite 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.