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Pyrope Almandine
Pyrope Almandine
☒

Vivianite
Vivianite
☒



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Pyrope Almandine
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Vivianite

Pyrope Almandine and Vivianite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
TransparentGemdat.org
1.73-1.77
-
-
-9999
TransparentGemdat.org
 
Vitreous, Pearly
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
0.03
Transparent
1.560-1.640
-
-
0.054-0.075
Transparent

Pyrope Almandine and Vivianite Optic Character

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

Pyrope Almandine and Vivianite Transparency

Similar to their colors, Pyrope Almandine and Vivianite 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, Pyrope Almandine is while Pyrope Almandine is in appearance.