×

Staurolite
Staurolite

Lazurite
Lazurite



ADD
Compare
X
Staurolite
X
Lazurite

Staurolite and Lazurite Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Blue Chart Gem Identification (2010) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.736-1.7621.500
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric
1.8 Birefringence
0.009-0.015Not Available
Achroite
0 0.296
1.9 Clarity
Blue Chart Gem Identification (2010) More from other references
Gemmological Tables (2004) More from other references

Staurolite and Lazurite Optic Character

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

Staurolite and Lazurite Transparency

Similar to their colors, Staurolite 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, Staurolite is Blue Chart Gem Identification (2010) More from other references while Staurolite is Blue Chart Gem Identification (2010) More from other references in appearance.