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Goethite
Goethite

Tigers Eye
Tigers Eye



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Goethite
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Tigers Eye

Goethite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Silky
1.2 Pleochroism
VisibleArthur Thomas
Not Available
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones (2009)
Opaque
1.5 Refractive Index
2.26-2.3981.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.138Not Available
Achroite
0 0.296
1.9 Clarity
Gemstones (2009)
Gemstones of the world (2001) More from other references

Goethite and Tigers Eye Optic Character

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

Similar to their colors, Goethite and Tigers Eye 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.