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Anhydrite
Anhydrite

Anglesite
Anglesite



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Anhydrite
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Anglesite

Anhydrite and Anglesite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Adamantine
1.2 Pleochroism
For violet varieties
NilArthur Thomas
1.3 Dispersion
0.010.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.570-1.6141.877-1.894
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.042-0.0440.017
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anhydrite and Anglesite Optic Character

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

Similar to their colors, Anhydrite and Anglesite 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.