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Ruby
Ruby

Moonstone
Moonstone



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Ruby and Moonstone Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Pearly
1.2 Pleochroism
Strong: purplish-red
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent, Transparent to translucent
1.5 Refractive Index
1.762-1.778
1.518-1.527
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.008
0.006-0.007
1.9 Clarity
Transparent
Transparent

Ruby and Moonstone Optic Character

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

Ruby and Moonstone Transparency

Similar to their colors, Ruby and Moonstone 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, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.