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Azurmalachite
Azurmalachite

Umbalite
Umbalite



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Azurmalachite
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Umbalite

Azurmalachite and Umbalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.655-1.9091.730-1.820
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.108-0.254Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentGemdat.org

Azurmalachite and Umbalite Optic Character

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

Similar to their colors, Azurmalachite and Umbalite 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.