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Phosgenite
Phosgenite

Azurmalachite
Azurmalachite



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Azurmalachite

Phosgenite and Azurmalachite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Silky
1.2 Pleochroism
Weakly pleochroic with O reddish and E greenish in thick sections.
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
2.117-2.145
1.655-1.909
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.027
0.108-0.254
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Phosgenite and Azurmalachite Optic Character

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

Phosgenite and Azurmalachite Transparency

Similar to their colors, Phosgenite 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, Phosgenite is Gemmological Tables (2004) More from other references while Phosgenite is Gemmological Tables (2004) More from other references in appearance.