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Chrome-Chalcedony
Chrome-Chalcedony

Villiaumite
Villiaumite



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Chrome-Chalcedony
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Villiaumite

Chrome-Chalcedony and Villiaumite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Not Available
1.2 Pleochroism
Not Available
Yellow to pink/deep carmineMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.5431.328-1.332
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.003-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Chrome-Chalcedony and Villiaumite Optic Character

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

Chrome-Chalcedony and Villiaumite Transparency

Similar to their colors, Chrome-Chalcedony and Villiaumite 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.