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Pyrope Garnet
Pyrope Garnet

Opal
Opal



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Pyrope Garnet
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Opal

Pyrope Garnet and Opal Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.03
Transparent, Translucent, Transparent to translucent
1.720-1.760
-
Isometric
-9999
Transparent to translucent
 
Vitreous, Pearly
None
0.01
Transparent, Translucent, Transparent to translucent
1.37-1.52
-
Trigonal
-9999
Transparent

Pyrope Garnet and Opal Optic Character

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

Similar to their colors, Pyrope Garnet and Opal 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 Garnet is while Pyrope Garnet is in appearance.