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Crocoite
Crocoite

Plumbogummite
Plumbogummite



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Crocoite
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Plumbogummite

Crocoite and Plumbogummite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
Distinctly trichroic
0.02
Transparent
2.31-2.66
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
-9999
Transparent
 
Resinous
None
0.04
-
1.653-1.688
-
Trigonal
-9999
-

Crocoite and Plumbogummite Optic Character

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

Crocoite and Plumbogummite Transparency

Similar to their colors, Crocoite 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, Crocoite is while Crocoite is in appearance.