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Rose Quartz
Rose Quartz

Alexandrite
Alexandrite



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Rose Quartz
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Alexandrite

Rose Quartz and Alexandrite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak: pink pale pinkHerve Nicolas Lazzarelli
0.01
Transparent, Translucent, Transparent to translucent
1.544-1.553
-
Hexagonal
0.009
TranslucentHerve Nicolas Lazzarelli
 
Vitreous
-
0.02
Transparent, Transparent to nearly opaque
1.739-1.770
Biaxial/+
Orthorhombic
0.007-0.010
Transparent

Rose Quartz and Alexandrite Optic Character

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

Rose Quartz and Alexandrite Transparency

Similar to their colors, Rose Quartz 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, Rose Quartz is while Rose Quartz is in appearance.