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Azurmalachite and Apophyllite Optical Properties


Apophyllite and Azurmalachite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Vitreous, Pearly   

Pleochroism
AbsentWalter Schumann   
Dichroic (colorless)   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.655-1.909   
1.530-1.543   

Optic Character
Biaxial/+   
Uniaxial/-   

Crystal System
monoclinic   
tetragonal   

Birefringence
0.108-0.254   
0.000-0.003   

Clarity
Translucent   
Transparent   

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Azurmalachite and Apophyllite Optic Character

Azurmalachite and Apophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Azurmalachite and Apophyllite 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 Apophyllite 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.Apophyllite has Uniaxial/- character.

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Azurmalachite and Apophyllite Transparency

Similar to their colors, Azurmalachite and Apophyllite 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.

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