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Hematite
Hematite

Charlesite
Charlesite



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Hematite
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Charlesite

Hematite and Charlesite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

O = brownish red; E = yellowish red
Nearly colorless to pale golden yellow

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

OpaqueHerve Nicolas Lazzarelli
-

Refractive Index

2.690-3.2201.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.280-9999
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
-

Hematite and Charlesite Optic Character

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

Similar to their colors, Hematite and Charlesite 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.