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Euclase and Citrine Optical Properties


Citrine and Euclase Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Weak: colorless-(greenish) yellow   
Natural: weak; yellow light yellow.   

Dispersion
0.02   
23
0.01   
27

Transparency
Gemmological Tables (2004) More from other references   
Transparent   

Refractive Index
1.650-1.677   
1.544-1.553   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.019-0.025   
0.009   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Euclase and Citrine Optic Character

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

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

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