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Pyrope Almandine
Pyrope Almandine

Allanite
Allanite



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Pyrope Almandine
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Allanite

Pyrope Almandine and Allanite 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
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.013-0.036
Achroite
0 0.296
1.9 Clarity
TransparentGemdat.org
Not Available

Pyrope Almandine and Allanite Optic Character

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

Similar to their colors, Pyrope Almandine and Allanite 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.