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Mimetite
Mimetite

Hematite
Hematite



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Mimetite
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Hematite

Mimetite and Hematite Optical Properties

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Optical Properties

Luster

Resinous, Subadamantine
-

Pleochroism

Weak
O = brownish red; E = yellowish red

Dispersion

0.040.05
0.005 1
👆🏻

Transparency

Translucent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

2.106-2.2632.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Trigonal

Birefringence

0.0190.280
0 0.296
👆🏻

Clarity

Translucent
OpaqueHerve Nicolas Lazzarelli

Mimetite and Hematite Optic Character

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

Mimetite and Hematite Transparency

Similar to their colors, Mimetite and Hematite 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, Mimetite is Translucent while Mimetite is Translucent in appearance.