Aventurine and Shattuckite Optical Properties

Aventurine

Shattuckite

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

AbsentWalter Schumann

X = very pale blue; Y = pale blue; Z = deep blue

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

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

Translucent

1.5 Refractive Index

1.544-1.5531.752-1.815

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Orthorhombic

1.8 Birefringence

0.007-0.0100.063

0 0.296

1.9 Clarity

Translucent

Aventurine and Shattuckite Optic Character

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

Similar to their colors, Aventurine and Shattuckite 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.