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Elbaite
Elbaite

Andalusite
Andalusite



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Elbaite
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Andalusite

Elbaite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
Pale green
strongly trichroic
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
0.02
Rank: 23 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.614-1.666
1.627-1.650
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.014-0.032
0.009-0.010
1.9 Clarity
Transparent
Transparent

Elbaite and Andalusite Optic Character

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

Similar to their colors, Elbaite and Andalusite 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.

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