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Plumbogummite
Plumbogummite

Almandine Garnet
Almandine Garnet



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Plumbogummite
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Almandine Garnet

Plumbogummite and Almandine Garnet Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Resinous
None
0.04
-
1.653-1.688
-
Trigonal
-9999
-
 
Vitreous
-
0.02
Transparent, Translucent, Transparent to translucent
1.780-1.810
-
Isometric
-9999
Transparent to translucent

Plumbogummite and Almandine Garnet Optic Character

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

Plumbogummite and Almandine Garnet Transparency

Similar to their colors, Plumbogummite and Almandine Garnet 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 while Plumbogummite is in appearance.