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Anglesite and Neptunite Optical Properties


Neptunite and Anglesite Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous   

Pleochroism
NilArthur Thomas   
x=yellow-orange   

Dispersion
0.04   
10
Not Available   

Transparency
Transparent   
Translucent   

Refractive Index
1.877-1.894   
1.692-1.734   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.017   
0.0294-0.0452   

Clarity
Transparent   
Translucent   

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Anglesite and Neptunite Optic Character

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

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Anglesite and Neptunite Transparency

Similar to their colors, Anglesite and Neptunite 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, Anglesite is Transparent while Anglesite is Transparent in appearance.

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