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Pollucite
Pollucite

Franklinite
Franklinite



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Pollucite
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Franklinite

Pollucite and Franklinite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.517-1.525
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Transparent
Translucent

Pollucite and Franklinite Optic Character

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

Similar to their colors, Pollucite and Franklinite 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.