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Carnallite
Carnallite

Hematite
Hematite



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Carnallite
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Hematite

Carnallite and Hematite Optical Properties

Optical Properties

Luster

Greasy
-

Pleochroism

-
O = brownish red; E = yellowish red

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.4672.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.02700.280
0 0.296
👆🏻

Clarity

-
OpaqueHerve Nicolas Lazzarelli

Carnallite and Hematite Optic Character

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

Carnallite and Hematite Transparency

Similar to their colors, Carnallite 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, Carnallite is while Carnallite is in appearance.