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Hematite
Hematite

Fluorite
Fluorite



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Hematite
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Fluorite

Hematite and Fluorite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

O = brownish red; E = yellowish red
-

Dispersion

0.050.01
0.005 1
👆🏻

Transparency

OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent

Refractive Index

2.690-3.2201.432-1.436
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
cubic

Birefringence

0.280-9999
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
Transparent

Hematite and Fluorite Optic Character

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

Hematite and Fluorite Transparency

Similar to their colors, Hematite and Fluorite 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, Hematite is OpaqueHerve Nicolas Lazzarelli while Hematite is OpaqueHerve Nicolas Lazzarelli in appearance.