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Hematite
Hematite

Emerald
Emerald



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Hematite
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Emerald

Hematite and Emerald Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

O = brownish red; E = yellowish red
Strong dichroism: yellow green Lazzarelli

Dispersion

0.050.01
0.005 1
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Transparency

OpaqueHerve Nicolas Lazzarelli
Transparent, Translucent, Transparent to translucent

Refractive Index

2.690-3.2201.565-1.602
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.2800.0040-0.0070
0 0.296
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Clarity

OpaqueHerve Nicolas Lazzarelli
-

Hematite and Emerald Optic Character

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

Similar to their colors, Hematite and Emerald 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.