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Abalone
Abalone

Hematite
Hematite



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Abalone
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Hematite

Abalone and Hematite Optical Properties

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Optical Properties

Luster

-
-

Pleochroism

-
O = brownish red; E = yellowish red

Dispersion

0.540.05
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

Translucent
OpaqueHerve Nicolas Lazzarelli

Abalone and Hematite Optic Character

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

Abalone and Hematite Transparency

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