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Pyrope Spessartine
Pyrope Spessartine

Common Opal
Common Opal



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Pyrope Spessartine
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Common Opal

Pyrope Spessartine and Common Opal Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.730-1.8201.37-1.52
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.027Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Pyrope Spessartine and Common Opal Optic Character

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

Similar to their colors, Pyrope Spessartine and Common 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 Spessartine is Gemmological Tables (2004) More from other references while Pyrope Spessartine is Gemmological Tables (2004) More from other references in appearance.