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Calcite
Calcite

Mimetite
Mimetite



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Calcite
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Mimetite

Calcite and Mimetite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Resinous, Subadamantine

Pleochroism

-
Weak

Dispersion

0.150.04
0.005 1
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Transparency

Transparent, Translucent
Translucent

Refractive Index

1.486-1.6582.106-2.263
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.154-0.1740.019
0 0.296
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Clarity

Transparent
Translucent

Calcite and Mimetite Optic Character

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

Similar to their colors, Calcite and Mimetite 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.