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Magnesite
Magnesite

Lapis lazuli
Lapis lazuli



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Magnesite
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Lapis lazuli

Magnesite and Lapis lazuli Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque
1.5 Refractive Index
1.509-1.7201.500-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.191Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Gemstones of the world (2001)

Magnesite and Lapis lazuli Optic Character

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

Magnesite and Lapis lazuli Transparency

Similar to their colors, Magnesite 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, Magnesite is Translucent while Magnesite is Translucent in appearance.