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Verdelite
Verdelite

Hematite
Hematite



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Verdelite
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Hematite

Verdelite and Hematite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

Strong: dark green yellow
O = brownish red; E = yellowish red

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Transparent, Translucent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.614-1.6662.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.014-0.0400.280
0 0.296
👆🏻

Clarity

Transparent
OpaqueHerve Nicolas Lazzarelli

Verdelite and Hematite Optic Character

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

Verdelite and Hematite Transparency

Similar to their colors, Verdelite 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, Verdelite is Transparent and Translucent while Verdelite is Transparent and Translucent in appearance.