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Sard
Sard

Agrellite
Agrellite



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Sard
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Agrellite

Sard and Agrellite Optical Properties

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1 Optical Properties
1.1 Luster
Waxy
Pearly
1.2 Pleochroism
AbsentWalter Schumann
colorless.
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.535-1.5391.567
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.008-0.0100.014
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Sard and Agrellite Optic Character

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

Sard and Agrellite Transparency

Similar to their colors, Sard and Agrellite 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, Sard is Translucent while Sard is Translucent in appearance.