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Lapis lazuli
Lapis lazuli

Ajoite
Ajoite



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Lapis lazuli
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Ajoite

Lapis lazuli and Ajoite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
X: very light bluish green; Y and Z: brilliant bluish green
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Not Available
1.5 Refractive Index
1.500-1.6701.550
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
Not Available0.091
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001)
Not Available

Lapis lazuli and Ajoite Optic Character

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

Similar to their colors, Lapis lazuli and Ajoite 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.