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Elbaite
Elbaite

Helenite
Helenite



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Elbaite
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Helenite

Elbaite and Helenite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Pale green
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.614-1.666Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.014-0.032Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Elbaite and Helenite Optic Character

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

Similar to their colors, Elbaite and Helenite 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.