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Blue quartz
Blue quartz

Benitoite
Benitoite



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Blue quartz
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Benitoite

Blue quartz and Benitoite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
-9999
-
-
-9999
-
 
Vitreous
O = colorless; E = purple
0.04
Transparent
1.757-1.804
-
Hexagonal
0.047
Transparent

Blue quartz and Benitoite Optic Character

Blue quartz and Benitoite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Blue quartz Vs Benitoite 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 Blue quartz and Benitoite 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.

Blue quartz and Benitoite Transparency

Similar to their colors, Blue quartz and Benitoite 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, Blue quartz is while Blue quartz is in appearance.