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Goethite
Goethite

Amber
Amber



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Goethite
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Amber

Goethite and Amber Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Resinous
1.2 Pleochroism
VisibleArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones (2009)
Transparent, Translucent
1.5 Refractive Index
2.26-2.3981.539-1.545
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Amorphous
1.8 Birefringence
0.138Not Available
Achroite
0 0.296
1.9 Clarity
Gemstones (2009)
Transparent

Goethite and Amber Optic Character

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

Similar to their colors, Goethite and Amber 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.