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Opal Ethiopia
Opal Ethiopia

Nepheline
Nepheline



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Opal Ethiopia
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Nepheline

Opal Ethiopia and Nepheline Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.42-1.471.529-1.547
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Hexagonal
1.8 Birefringence
Not Available0.003-0.004
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Opal Ethiopia and Nepheline Optic Character

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

Opal Ethiopia and Nepheline Transparency

Similar to their colors, Opal Ethiopia and Nepheline 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.