Prase Opal and Chrome-Chalcedony Optical Properties

Prase Opal

Chrome-Chalcedony

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1 Optical Properties

1.1 Luster

Not Available

Waxy

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.370-1.4701.530-1.543

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.003-0.009

0 0.296

1.9 Clarity

Transparent

Translucent

Prase Opal and Chrome-Chalcedony Optic Character

Prase Opal and Chrome-Chalcedony optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Prase Opal 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 Prase Opal 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.

Compare Blue Gemstones

Prase Opal Vs Sanidine

Prase Opal Vs Sapphire

Prase Opal Vs Sard

Prase Opal and Chrome-Chalcedony Transparency

Similar to their colors, Prase Opal 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, Prase Opal is Translucent and Transparent while Prase Opal is Translucent and Transparent in appearance.