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Anhydrite
Anhydrite

Adamite
Adamite



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Anhydrite
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Adamite

Anhydrite and Adamite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous
1.2 Pleochroism
For violet varieties
NilArthur Thomas
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.570-1.6141.708-1.722
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.042-0.0440.031-0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anhydrite and Adamite Optic Character

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

Anhydrite and Adamite Transparency

Similar to their colors, Anhydrite and Adamite 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.