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Clinozoisite
Clinozoisite

Alexandrite
Alexandrite



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Clinozoisite
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Alexandrite

Clinozoisite and Alexandrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
StrongArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Transparent to nearly opaque
1.5 Refractive Index
1.670-1.7341.739-1.770
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.006-0.0110.007-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Clinozoisite and Alexandrite Optic Character

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

Clinozoisite and Alexandrite Transparency

Similar to their colors, Clinozoisite 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, Clinozoisite is Transparent while Clinozoisite is Transparent in appearance.