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Azurmalachite
Azurmalachite

Demantoid
Demantoid



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Azurmalachite
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Demantoid

Azurmalachite and Demantoid Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.655-1.9091.880-1.890
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
monoclinic
cubic
1.8 Birefringence
0.108-0.254Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Azurmalachite and Demantoid Optic Character

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

Similar to their colors, Azurmalachite and Demantoid 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.