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Azurmalachite
Azurmalachite

Proustite
Proustite



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Azurmalachite
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Proustite

Azurmalachite and Proustite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Moderate; cochineal-red to blood-red
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
1.5 Refractive Index
1.655-1.9092.792-3.087
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.108-0.2540.295-0.296
Achroite
0 0.296
1.9 Clarity
Translucent
OpaqueUlrich Henn and Claudio C. Milisenda

Azurmalachite and Proustite Optic Character

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

Similar to their colors, Azurmalachite and Proustite 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.