×

Pleonaste
Pleonaste

Coral
Coral



ADD
Compare
X
Pleonaste
X
Coral

Pleonaste and Coral Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent
1.5 Refractive Index
1.7801.486-1.658
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.160-0.172
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Translucent

Pleonaste and Coral Optic Character

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

Pleonaste and Coral Transparency

Similar to their colors, Pleonaste and Coral 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, Pleonaste is Gemmological Tables (2004) while Pleonaste is Gemmological Tables (2004) in appearance.