×

Precious coral
Precious coral

Lazurite
Lazurite



ADD
Compare
X
Precious coral
X
Lazurite

Precious coral and Lazurite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.500
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004) More from other references

Precious coral and Lazurite Optic Character

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

Precious coral and Lazurite Transparency

Similar to their colors, Precious coral and Lazurite 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, Precious coral is Not Available while Precious coral is Not Available in appearance.