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Beudantite
Beudantite

Alexandrite
Alexandrite



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Beudantite
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Alexandrite

Beudantite and Alexandrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
visible
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
1.9571.739-1.770
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.0140.007-0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Beudantite and Alexandrite Optic Character

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

Beudantite and Alexandrite Transparency

Similar to their colors, Beudantite 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, Beudantite is Not Available while Beudantite is Not Available in appearance.