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Benitoite
Benitoite

Cavansite
Cavansite



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Benitoite
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Cavansite

Benitoite and Cavansite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
O = colorless; E = purple
Visible: X=Z= colorless Y= blue
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.757-1.8041.542
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.0470.009
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Benitoite and Cavansite Optic Character

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

Similar to their colors, Benitoite and Cavansite 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.