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Anhydrite
Anhydrite

Pyrargyrite
Pyrargyrite



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Anhydrite
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Pyrargyrite

Anhydrite and Pyrargyrite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Adamantine
1.2 Pleochroism
For violet varieties
Distinct
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.570-1.6142.881-3.084
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.042-0.0440.203
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Anhydrite and Pyrargyrite Optic Character

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

Anhydrite and Pyrargyrite Transparency

Similar to their colors, Anhydrite and Pyrargyrite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.