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Ametrine and Goethite Optical Properties


Goethite and Ametrine Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine   

Pleochroism
Not Available   
VisibleArthur Thomas   

Dispersion
0.01   
27
Not Available   

Transparency
Transparent   
Gemstones (2009)   

Refractive Index
1.544-1.553   
2.26-2.398   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Orthorhombic   

Birefringence
0.009   
0.138   

Clarity
Transparent   
Gemstones (2009)   

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<< Physical Properties

Ametrine and Goethite Optic Character

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

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Ametrine and Goethite Transparency

Similar to their colors, Ametrine and Goethite 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, Ametrine is Transparent while Ametrine is Transparent in appearance.

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