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Simpsonite
Simpsonite

Lazulite
Lazulite



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Simpsonite and Lazulite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
NilArthur Thomas
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.994-2.0401.604-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0460.031-0.036
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Simpsonite and Lazulite Optic Character

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

Simpsonite and Lazulite Transparency

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