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Elaeolite
Elaeolite

Alexandrite
Alexandrite



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Elaeolite
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Alexandrite

Elaeolite and Alexandrite Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Transparent to nearly opaque
1.5 Refractive Index
Not Available1.739-1.770
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Elaeolite and Alexandrite Optic Character

Elaeolite and Alexandrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Elaeolite and Alexandrite 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 Elaeolite and Alexandrite 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. Alexandrite has Biaxial/+ character.

Elaeolite and Alexandrite Transparency

Similar to their colors, Elaeolite and Alexandrite 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, Elaeolite is Not Available while Elaeolite is Not Available in appearance.