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Calcite
Calcite

Hawks Eye
Hawks Eye



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Calcite
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Hawks Eye

Calcite and Hawks Eye Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.150.05
0.005 1
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Transparency

Transparent, Translucent
-

Refractive Index

1.486-1.658-9999
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.154-0.174-9999
0 0.296
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Clarity

Transparent
-

Calcite and Hawks Eye Optic Character

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

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