Aventurine and Agate Opal Optical Properties

Aventurine

Agate Opal

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Translucent, Opaque . May be translucent when backlit on the edges.

Translucent

1.5 Refractive Index

1.544-1.5531.37-1.52

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.007-0.010Not Available

0 0.296

1.9 Clarity

Translucent

Aventurine and Agate Opal Optic Character

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

Similar to their colors, Aventurine and Agate 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, Aventurine is Opaque . May be translucent when backlit on the edges. and Translucent while Aventurine is Opaque . May be translucent when backlit on the edges. and Translucent in appearance.