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Calcite
Calcite

Scheelite
Scheelite



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Calcite
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Scheelite

Calcite and Scheelite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Adamantine
1.2 Pleochroism
NilArthur Thomas
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Transparent
1.5 Refractive Index
1.486-1.6581.918-1.936
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
0.154-0.1740.016
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Calcite and Scheelite Optic Character

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

Calcite and Scheelite Transparency

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