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Pollucite
Pollucite

Coral
Coral



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Pollucite
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Coral

Pollucite and Coral Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
-
0.01
Transparent, Translucent
1.517-1.525
-
Isometric
-9999
Transparent
 
-
-
0.03
Translucent
1.486-1.658
-
Trigonal
0.160-0.172
Translucent

Pollucite and Coral Optic Character

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

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