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Scheelite
Scheelite

Pyrite
Pyrite



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Scheelite
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Pyrite

Scheelite and Pyrite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Not Available
1.2 Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
Not Available
1.3 Dispersion
0.04None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.918-1.936Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Isometric
1.8 Birefringence
0.016Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Scheelite and Pyrite Optic Character

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

Similar to their colors, Scheelite and Pyrite 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.