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Hyalite
Hyalite

Onyx
Onyx



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Hyalite
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Onyx

Hyalite and Onyx Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Opaque, Translucent to opaque
1.5 Refractive Index
1.37-1.521.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli

Hyalite and Onyx Optic Character

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

Hyalite and Onyx Transparency

Similar to their colors, Hyalite and Onyx 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, Hyalite is Transparent while Hyalite is Transparent in appearance.