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Hematite
Hematite

Andradite Garnet
Andradite Garnet



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Hematite
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Andradite Garnet

Hematite and Andradite Garnet Optical Properties

Optical Properties

Luster

-
Adamantine

Pleochroism

O = brownish red; E = yellowish red
-

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

OpaqueHerve Nicolas Lazzarelli
Transparent, Opaque, Transparent to opaque

Refractive Index

2.690-3.2201.888-1.889
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.280-9999
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
Transparent to opaque

Hematite and Andradite Garnet Optic Character

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

Similar to their colors, Hematite and Andradite Garnet 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.