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Pollucite
Pollucite

Cordierite
Cordierite



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Pollucite
X
Cordierite

Pollucite and Cordierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Greasy, Vitreous
1.2 Pleochroism
Not Available
X = pale yellow
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.517-1.525Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Orthorhombic
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Pollucite and Cordierite Optic Character

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

Similar to their colors, Pollucite and Cordierite 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.