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Pyrope Almandine
Pyrope Almandine

Opal Ethiopia
Opal Ethiopia



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Pyrope Almandine
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Opal Ethiopia

Pyrope Almandine and Opal Ethiopia Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Not Available
1.5 Refractive Index
1.73-1.771.42-1.47
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Amorphous
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Color grading system

Pyrope Almandine and Opal Ethiopia Optic Character

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

Similar to their colors, Pyrope Almandine and Opal Ethiopia 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 Management Team (2012) and TransparentGemdat.org while Pyrope Almandine is Management Team (2012) and TransparentGemdat.org in appearance.