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Hemimorphite
Hemimorphite

Onyx
Onyx



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Hemimorphite
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Onyx

Hemimorphite and Onyx Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Silky
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Opaque, Translucent to opaque
1.5 Refractive Index
1.614-1.6361.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.022Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli

Hemimorphite and Onyx Optic Character

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

Hemimorphite and Onyx Transparency

Similar to their colors, Hemimorphite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.