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Ametrine and Bustamite Optical Properties


Bustamite and Ametrine Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Weak   

Dispersion
0.01   
27
Not Available   

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.544-1.553   
1.662-1.707   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Triclinic   

Birefringence
0.009   
0.013-0.015   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Ametrine and Bustamite Optic Character

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

Similar to their colors, Ametrine and Bustamite 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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