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Calcite
Calcite

Pollucite
Pollucite



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Calcite
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Pollucite

Calcite and Pollucite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Greasy
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.486-1.6581.517-1.525
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric
1.8 Birefringence
0.154-0.174Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Calcite and Pollucite Optic Character

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

Calcite and Pollucite Transparency

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