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Anglesite and Dioptase Optical Properties


Dioptase and Anglesite Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous   

Pleochroism
NilArthur Thomas   
Weak; dark emerald green   

Dispersion
0.04   
10
0.04   
13

Transparency
Transparent   
TranslucentHerve Nicolas Lazzarelli   

Refractive Index
1.877-1.894   
1.644-1.720   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
0.017   
0.051-0.053   

Clarity
Transparent   
TranslucentHerve Nicolas Lazzarelli   

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Anglesite and Dioptase Optic Character

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

Similar to their colors, Anglesite and Dioptase 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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