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Hydrogrossular
Hydrogrossular

Plumbogummite
Plumbogummite



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Hydrogrossular
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Plumbogummite

Hydrogrossular and Plumbogummite Optical Properties

Optical Properties

Luster

-
Resinous

Pleochroism

-
None

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.680-1.7121.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
-

Hydrogrossular and Plumbogummite Optic Character

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

Hydrogrossular and Plumbogummite Transparency

Similar to their colors, Hydrogrossular 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, Hydrogrossular is Translucent while Hydrogrossular is Translucent in appearance.