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Plumbogummite and Rubellite Optical Properties


Rubellite and Plumbogummite Optical Properties


Optical Properties

Luster
Resinous   
Not Available   

Pleochroism
None   
Strong: dark red pinkish-redHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
22

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
1.653-1.688   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
Not Available   
0.014-0.040   

Clarity
Not Available   
Transparent   

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Plumbogummite and Rubellite Optic Character

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

Similar to their colors, Plumbogummite and Rubellite 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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