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Scheelite
Scheelite

Hematite
Hematite



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Scheelite
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Hematite

Scheelite and Hematite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
-

Pleochroism

Definite dichoric in yellow (yellow to orange-brown)
O = brownish red; E = yellowish red

Dispersion

0.040.05
0.005 1
👆🏻

Transparency

Translucent, Transparent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.918-1.9362.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.0160.280
0 0.296
👆🏻

Clarity

Translucent
OpaqueHerve Nicolas Lazzarelli

Scheelite and Hematite Optic Character

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

Scheelite and Hematite Transparency

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