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Lazulite
Lazulite

Pearl
Pearl



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Lazulite
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Pearl

Lazulite and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Pearly
1.2 Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
AbsentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Opaque
1.5 Refractive Index
1.604-1.6461.52-1.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.031-0.0360.156
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Lazulite and Pearl Optic Character

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

Lazulite and Pearl Transparency

Similar to their colors, Lazulite and Pearl 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, Lazulite is Translucent and Transparent while Lazulite is Translucent and Transparent in appearance.