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Elbaite
Elbaite

Norbergite
Norbergite



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Elbaite
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Norbergite

Elbaite and Norbergite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Pale green
Pale yellow very pale yellow colorlessAnthony et al
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.614-1.666
1.563-1.593
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.014-0.032
Not Available
1.9 Clarity
Transparent
Transparent

Elbaite and Norbergite Optic Character

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

Elbaite and Norbergite Transparency

Similar to their colors, Elbaite and Norbergite 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, Elbaite is Transparent while Elbaite is Transparent in appearance.