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Hematite
Hematite

Garnet
Garnet



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Hematite
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Garnet

Hematite and Garnet Optical Properties

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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
 
Vitreous, Adamantine
None
0.02
Transparent, Transparent to translucent
1.730-1.895
-
Trigonal
-9999
Transparent

Hematite and Garnet Optic Character

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

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