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Zebra Rock
Zebra Rock

Alexandrite
Alexandrite



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Zebra Rock
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Alexandrite

Zebra Rock and Alexandrite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
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
​ face-centered cubic (fcc)
Orthorhombic
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Zebra Rock and Alexandrite Optic Character

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

Zebra Rock and Alexandrite Transparency

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