Home
×

Onyx
Onyx

Hibonite
Hibonite



ADD
Compare
X
Onyx
X
Hibonite

Onyx and Hibonite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
O = brownish gray; E = gray
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque, Translucent to opaque
Handbook of mineralogy (2001)
1.5 Refractive Index
1.530-1.543
1.79-1.807
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Handbook of mineralogy (2001)

Onyx and Hibonite Optic Character

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

Similar to their colors, Onyx and Hibonite 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.