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Opal Ethiopia and Euclase Optical Properties


Euclase and Opal Ethiopia Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Weak: colorless-(greenish) yellow   

Dispersion
Not Available   
0.02   
23

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
1.42-1.47   
1.650-1.677   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
0.019-0.025   

Clarity
Color grading system   
TransparentUlrich Henn and Claudio C. Milisenda   

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Opal Ethiopia and Euclase Optic Character

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

Similar to their colors, Opal Ethiopia and Euclase 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, Opal Ethiopia is Not Available while Opal Ethiopia is Not Available in appearance.

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