Precious Opal and Moss Agate Optical Properties

Precious Opal

Moss Agate

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

NoneNone

0.007 1

1.4 Transparency

Transparent, Translucent

TranslucentWalter Schumann, Gemstones of the world (2001)

1.5 Refractive Index

1.370-1.4701.530-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.004

0 0.296

1.9 Clarity

Transparent

TranslucentWalter Schumann

Precious Opal and Moss Agate Optic Character

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

Similar to their colors, Precious Opal and Moss Agate 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, Precious Opal is Translucent and Transparent while Precious Opal is Translucent and Transparent in appearance.