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Pargasite and Plumbogummite Optical Properties


Plumbogummite and Pargasite Optical Properties


Optical Properties

Luster
Vitreous   
Resinous   

Pleochroism
Not Available   
None   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.613-1.663   
1.653-1.688   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.020   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Pargasite and Plumbogummite Optic Character

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

Similar to their colors, Pargasite and Plumbogummite 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, Pargasite is Transparent while Pargasite is Transparent in appearance.

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