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Nuummite
Nuummite

Pyrope Almandine
Pyrope Almandine



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Pyrope Almandine

Nuummite and Pyrope Almandine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.635-1.6631.73-1.77
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.0170-0.230Not Available
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentGemdat.org

Nuummite and Pyrope Almandine Optic Character

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

Nuummite and Pyrope Almandine Transparency

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