×

Hematite
Hematite

Akoya pearl
Akoya pearl



ADD
Compare
X
Hematite
X
Akoya pearl

Hematite and Akoya pearl Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
O = brownish red; E = yellowish red
0.05
OpaqueHerve Nicolas Lazzarelli
2.690-3.220
-
Trigonal
0.280
OpaqueHerve Nicolas Lazzarelli
 
-
-
0.16
-
-9999
-
-
-9999
-

Hematite and Akoya pearl Optic Character

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

Similar to their colors, Hematite and Akoya pearl 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 while Hematite is in appearance.