×

Chalcedony
Chalcedony

Benitoite
Benitoite



ADD
Compare
X
Chalcedony
X
Benitoite

Chalcedony and Benitoite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
O = colorless; E = purple
1.3 Dispersion
None0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Transparent
1.5 Refractive Index
1.530-1.5431.757-1.804
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.003-0.0090.047
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Chalcedony and Benitoite Optic Character

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

Chalcedony and Benitoite Transparency

Similar to their colors, Chalcedony 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.