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Anthophyllite
Anthophyllite

Scheelite
Scheelite



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Anthophyllite
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Scheelite

Anthophyllite and Scheelite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Adamantine
1.2 Pleochroism
When Fe-rich
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Transparent
1.5 Refractive Index
1.603-1.6901.918-1.936
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
tetragonal
1.8 Birefringence
Not Available0.016
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Anthophyllite and Scheelite Optic Character

Anthophyllite and Scheelite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anthophyllite 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 Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Anthophyllite and Scheelite Transparency

Similar to their colors, Anthophyllite 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.