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Anhydrite
Anhydrite

Ammolite
Ammolite



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Anhydrite
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Ammolite

Anhydrite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Silky, Vitreous
1.2 Pleochroism
For violet varieties
None
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.570-1.6141.520-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.042-0.0440.135-0.145
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Anhydrite and Ammolite Optic Character

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

Similar to their colors, Anhydrite and Ammolite 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.