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Azurmalachite
Azurmalachite

Dravite
Dravite



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Azurmalachite
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Dravite

Azurmalachite and Dravite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Silky
-
0.07
Translucent
1.655-1.909
Biaxial/+
monoclinic
0.108-0.254
Translucent
 
Vitreous
Very strong: pale yellow colorless
0.02
Transparent
1.614-1.666
-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
0.014-0.032
Transparent

Azurmalachite and Dravite Optic Character

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

Similar to their colors, Azurmalachite and Dravite 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 while Azurmalachite is in appearance.