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Anhydrite
Anhydrite

Mother of Pearl
Mother of Pearl



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Anhydrite
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Mother of Pearl

Anhydrite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Not Available
1.2 Pleochroism
For violet varieties
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.570-1.6141.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.042-0.0440.16
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Anhydrite and Mother of Pearl Optic Character

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

Similar to their colors, Anhydrite and Mother of Pearl 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.