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Anhydrite
Anhydrite

Pezzottaite
Pezzottaite



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Anhydrite
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Pezzottaite

Anhydrite and Pezzottaite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous
1.2 Pleochroism
For violet varieties
Moderate dichroic
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.570-1.6141.598-1.620
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.042-0.0440.008-0.011
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anhydrite and Pezzottaite Optic Character

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

Similar to their colors, Anhydrite and Pezzottaite 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.