×

Crocoite
Crocoite

Lazurite
Lazurite



ADD
Compare
X
Crocoite
X
Lazurite

Crocoite and Lazurite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
Distinctly trichroic
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.31-2.661.500
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004) More from other references

Crocoite and Lazurite Optic Character

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

Crocoite and Lazurite Transparency

Similar to their colors, Crocoite 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, Crocoite is Transparent while Crocoite is Transparent in appearance.