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Saltwater pearl
Saltwater pearl

Lapis lazuli
Lapis lazuli



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Saltwater pearl
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Lapis lazuli

Saltwater pearl and Lapis lazuli Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Opaque
1.5 Refractive Index
Not Available1.500-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Gemstones of the world (2001)

Saltwater pearl and Lapis lazuli Optic Character

Saltwater pearl and Lapis lazuli optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Saltwater pearl and Lapis lazuli 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 Saltwater pearl and Lapis lazuli 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.

Saltwater pearl and Lapis lazuli Transparency

Similar to their colors, Saltwater pearl and Lapis lazuli 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, Saltwater pearl is Not Available while Saltwater pearl is Not Available in appearance.