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Padparadscha
Padparadscha

Lapis lazuli
Lapis lazuli



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Padparadscha
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Lapis lazuli

Padparadscha 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
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Opaque
1.5 Refractive Index
1.757-1.780
1.500-1.670
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
0.007-0.010
Not Available
1.9 Clarity
Transparent
Gemstones of the world (2001)

Padparadscha and Lapis lazuli Optic Character

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

Padparadscha and Lapis lazuli Transparency

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