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Azurmalachite
Azurmalachite

Onyx
Onyx



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Azurmalachite
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Onyx

Azurmalachite and Onyx Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent, Opaque, Translucent to opaque
1.5 Refractive Index
1.655-1.9091.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.108-0.254Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Azurmalachite and Onyx Optic Character

Azurmalachite and Onyx optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Azurmalachite 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 Azurmalachite 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. Azurmalachite has Biaxial/+ character.

Azurmalachite and Onyx Transparency

Similar to their colors, Azurmalachite 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, Azurmalachite is Translucent while Azurmalachite is Translucent in appearance.