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Plumbogummite and Bustamite Optical Properties


Bustamite and Plumbogummite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous   

Pleochroism
None   
Weak   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
1.653-1.688   
1.662-1.707   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Triclinic   

Birefringence
Not Available   
0.013-0.015   

Clarity
Not Available   
Transparent   

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Plumbogummite and Bustamite Optic Character

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

Similar to their colors, Plumbogummite 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, Plumbogummite is Not Available while Plumbogummite is Not Available in appearance.

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