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Agrellite and Crystal Opal Optical Properties


Crystal Opal and Agrellite Optical Properties


Optical Properties

Luster
Pearly   
Not Available   

Pleochroism
colorless.   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Not Available   
Transparent   

Refractive Index
1.567   
1.370-1.   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.014   
Not Available   

Clarity
Not Available   
Transparent   

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Agrellite and Crystal Opal Optic Character

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

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Agrellite and Crystal Opal Transparency

Similar to their colors, Agrellite and Crystal Opal 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, Agrellite is Not Available while Agrellite is Not Available in appearance.

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