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Azurmalachite
Azurmalachite

Lapis lazuli
Lapis lazuli



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Azurmalachite
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Lapis lazuli

Azurmalachite and Lapis lazuli Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque
1.5 Refractive Index
1.655-1.9091.500-1.670
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
Gemstones of the world (2001)

Azurmalachite and Lapis lazuli Optic Character

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

Similar to their colors, Azurmalachite and Lapis lazuli 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.