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Sugilite
Sugilite

Moonstone
Moonstone



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Sugilite
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Moonstone

Sugilite and Moonstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly
1.2 Pleochroism
Weak
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Transparent to translucent
1.5 Refractive Index
1.607-1.6121.518-1.527
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.0030.006-0.007
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Sugilite and Moonstone Optic Character

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

Sugilite and Moonstone Transparency

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