×

Marcasite
Marcasite

Hematite
Hematite



ADD
Compare
X
Marcasite
X
Hematite

Marcasite and Hematite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
O = brownish red; E = yellowish red

Dispersion

0.050.05
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

-99992.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.280
0 0.296
👆🏻

Clarity

-
OpaqueHerve Nicolas Lazzarelli

Marcasite and Hematite Optic Character

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

Marcasite and Hematite Transparency

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