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Achroite and Londonite Optical Properties


Londonite and Achroite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Not Available   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.614-1.666   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.014-0.040   
Not Available   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Achroite and Londonite Optic Character

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

Similar to their colors, Achroite and Londonite 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, Achroite is Translucent and Transparent while Achroite is Translucent and Transparent in appearance.

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