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Lazurite
Lazurite

Steatite
Steatite



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Lazurite
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Steatite

Lazurite and Steatite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
1.5001.539-1.596
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
Not Available0.046-0.050
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
OpaqueUlrich Henn and Claudio C. Milisenda

Lazurite and Steatite Optic Character

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

Lazurite and Steatite Transparency

Similar to their colors, Lazurite and Steatite 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, Lazurite is Gemmological Tables (2004) More from other references while Lazurite is Gemmological Tables (2004) More from other references in appearance.