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Painite
Painite

Crystal Opal
Crystal Opal



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Painite
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Crystal Opal

Painite and Crystal Opal Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Transparent
1.5 Refractive Index
1.787-1.8161.370-1.
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.029Not Available
Achroite
0 0.296
1.9 Clarity
Gems
Transparent

Painite and Crystal Opal Optic Character

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

Painite and Crystal Opal Transparency

Similar to their colors, Painite and Crystal 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, Painite is Gems while Painite is Gems in appearance.