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Benitoite
Benitoite

Celestine
Celestine



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Benitoite
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Celestine

Benitoite and Celestine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
O = colorless; E = purple
Weakly trichroiC
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.757-1.8041.619-1.635
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.0470.004-0.012
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Benitoite and Celestine Optic Character

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

Similar to their colors, Benitoite and Celestine 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.