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Ludlamite and Albite Optical Properties


Albite and Ludlamite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
NilArthur Thomas   
colorless.   

Dispersion
Not Available   
1.00   
1

Transparency
Gemmological Tables (2004) More from other references   
Transparent, Translucent   

Refractive Index
1.653-1.693   
1.525-1.542   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Triclinic   

Birefringence
0.038-0.044   
0.008-0.011   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Ludlamite and Albite Optic Character

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

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

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