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Pollucite
Pollucite

Anhydrite
Anhydrite



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Pollucite
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Anhydrite

Pollucite and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Pearly, Greasy
1.2 Pleochroism
Not Available
For violet varieties
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.517-1.5251.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
Not Available0.042-0.044
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Pollucite and Anhydrite Optic Character

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

Similar to their colors, Pollucite and Anhydrite 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.