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Lapis lazuli
Lapis lazuli

Anglesite
Anglesite



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Lapis lazuli
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Lapis lazuli and Anglesite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Adamantine
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.04
Rank: 10 (Overall)
Fluorite Optical Properties
1.4 Transparency
Opaque
Transparent
1.5 Refractive Index
1.500-1.670
1.877-1.894
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
Not Available
0.017
1.9 Clarity
Gemstones of the world (2001)
Transparent

Lapis lazuli and Anglesite Optic Character

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

Similar to their colors, Lapis lazuli and Anglesite 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.