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Baddeleyite and Atacamite Optical Properties


Atacamite and Baddeleyite Optical Properties


Optical Properties

Luster
Adamantine   
Adamantine, Vitreous   

Pleochroism
DistinctArthur Thomas   
X = pale green; Y = yellow-green; Z = grass-green   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
2.13-2.20   
1.831   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c   
Orthorhombic   

Birefringence
0.07   
0.049   

Clarity
Transparent   
Not Available   

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Baddeleyite and Atacamite Optic Character

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

Similar to their colors, Baddeleyite and Atacamite 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, Baddeleyite is Transparent while Baddeleyite is Transparent in appearance.

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Brown Gemstones


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