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Lapis lazuli
Lapis lazuli

Chrysotile
Chrysotile



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Lapis lazuli
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Chrysotile

Lapis lazuli and Chrysotile Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Silky
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Not Available
1.5 Refractive Index
1.500-1.6701.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic : clinochrysotile (most common)
1.8 Birefringence
Not Available0.001
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001)
Not Available

Lapis lazuli and Chrysotile Optic Character

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

Lapis lazuli and Chrysotile Transparency

Similar to their colors, Lapis lazuli and Chrysotile 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, Lapis lazuli is Opaque while Lapis lazuli is Opaque in appearance.