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Pyrope Almandine
Pyrope Almandine

Neptunite
Neptunite



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Pyrope Almandine
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Neptunite

Pyrope Almandine and Neptunite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
x=yellow-orange
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
Translucent
1.5 Refractive Index
1.73-1.771.692-1.734
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.0294-0.0452
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Translucent

Pyrope Almandine and Neptunite Optic Character

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

Similar to their colors, Pyrope Almandine and Neptunite 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.