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Onyx
Onyx

Intermediate Gold Nuggets
Intermediate Gold Nuggets



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Onyx
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Intermediate Gold Nuggets

Onyx and Intermediate Gold Nuggets Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque, Translucent to opaque
Not Available
1.5 Refractive Index
1.530-1.543Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Not Available

Onyx and Intermediate Gold Nuggets Optic Character

Onyx and Intermediate Gold Nuggets optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Onyx and Intermediate Gold Nuggets 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 Onyx and Intermediate Gold Nuggets 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.

Onyx and Intermediate Gold Nuggets Transparency

Similar to their colors, Onyx and Intermediate Gold Nuggets 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, Onyx is Opaque, Translucent and Translucent to opaque while Onyx is Opaque, Translucent and Translucent to opaque in appearance.