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Moonstone

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Sapphire



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Moonstone and Sapphire Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Strong
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
0.02
Rank: 21 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Transparent to translucent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.518-1.527
1.762-1.788
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.006-0.007
0.008-0.009
1.9 Clarity
Transparent
Transparent

Moonstone and Sapphire Optic Character

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

Moonstone and Sapphire Transparency

Similar to their colors, Moonstone and Sapphire 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, Moonstone is Transparent and Transparent to translucent while Moonstone is Transparent and Transparent to translucent in appearance.