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Anhydrite
Anhydrite

Pearl
Pearl



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Anhydrite
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Pearl

Anhydrite and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Pearly, Greasy
Pearly
1.2 Pleochroism
For violet varieties
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.01
Rank: 27 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Translucent, Opaque
1.5 Refractive Index
1.570-1.614
1.52-1.66
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.042-0.044
0.156
1.9 Clarity
Transparent
Translucent

Anhydrite and Pearl Optic Character

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

Similar to their colors, Anhydrite and 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.

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