×

Coral
Coral

Afghanite
Afghanite



ADD
Compare
X
Coral
X
Afghanite

Coral and Afghanite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Gemstones (2009)
1.5 Refractive Index
1.486-1.6581.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.160-0.1720.006
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Coral and Afghanite Optic Character

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

Coral and Afghanite Transparency

Similar to their colors, Coral and Afghanite 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, Coral is Translucent while Coral is Translucent in appearance.