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Benitoite
Benitoite

Zircon
Zircon



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Benitoite
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Zircon

Benitoite and Zircon Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
O = colorless; E = purple
Weak
1.3 Dispersion
0.040.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.757-1.8041.810-2.024
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
tetragonal
1.8 Birefringence
0.0470.047-0.055
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Benitoite and Zircon Optic Character

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

Benitoite and Zircon Transparency

Similar to their colors, Benitoite and Zircon 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, Benitoite is Transparent while Benitoite is Transparent in appearance.