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Pollucite
Pollucite

Almandine
Almandine



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Pollucite
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Almandine

Pollucite and Almandine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Greasy, Vitreous
1.2 Pleochroism
Not Available
None
1.3 Dispersion
0.010.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.517-1.5251.770-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
cubic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Pollucite and Almandine Optic Character

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

Pollucite and Almandine Transparency

Similar to their colors, Pollucite and 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, Pollucite is Translucent and Transparent while Pollucite is Translucent and Transparent in appearance.