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Carletonite and Demantoid Optical Properties


Demantoid and Carletonite Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine   

Pleochroism
Weak   
None   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Gemmological Tables (2004)   

Refractive Index
1.517-1.521   
1.880-1.890   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
cubic   

Birefringence
0.004   
Not Available   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
TransparentUlrich Henn and Claudio C. Milisenda   

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Carletonite and Demantoid Optic Character

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

Similar to their colors, Carletonite and Demantoid 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, Carletonite is Gemmological Tables (2004) More from other references while Carletonite is Gemmological Tables (2004) More from other references in appearance.

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