Andesine and Chrome-Chalcedony Optical Properties

Andesine

Chrome-Chalcedony

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1 Optical Properties

1.1 Luster

Vitreous

Waxy

1.2 Pleochroism

colorless.

Not Available

1.3 Dispersion

Albite Optical ..

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0.70

Rank: 2 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent

1.5 Refractive Index

1.543-1.564

1.530-1.543

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.007-0.011

0.003-0.009

1.9 Clarity

Transparent

Translucent

Andesine and Chrome-Chalcedony Optic Character

Andesine and Chrome-Chalcedony optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine and Chrome-Chalcedony 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 Andesine and Chrome-Chalcedony 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. Andesine has Biaxial/+ character.

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Andesine and Chrome-Chalcedony Transparency

Similar to their colors, Andesine and Chrome-Chalcedony 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.