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Demantoid
Demantoid

Azurmalachite
Azurmalachite



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Demantoid
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Azurmalachite

Demantoid and Azurmalachite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Silky
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent
1.5 Refractive Index
1.880-1.8901.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
cubic
monoclinic
1.8 Birefringence
Not Available0.108-0.254
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Demantoid and Azurmalachite Optic Character

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

Demantoid and Azurmalachite Transparency

Similar to their colors, Demantoid and Azurmalachite 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, Demantoid is Gemmological Tables (2004) while Demantoid is Gemmological Tables (2004) in appearance.