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Goethite
Goethite

Kornerupine
Kornerupine



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Goethite
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Kornerupine

Goethite and Kornerupine Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
VisibleArthur Thomas
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
Gemstones (2009)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.26-2.398
1.660-1.685
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.138
0.012-0.017
1.9 Clarity
Gemstones (2009)
TransparentUlrich Henn and Claudio C. Milisenda

Goethite and Kornerupine Optic Character

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

Goethite and Kornerupine Transparency

Similar to their colors, Goethite 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, Goethite is Gemstones (2009) while Goethite is Gemstones (2009) in appearance.