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Gibbsite
Gibbsite

Moonstone
Moonstone



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Gibbsite
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Moonstone

Gibbsite and Moonstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Pearly
1.2 Pleochroism
colorless.
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Transparent to translucent
1.5 Refractive Index
Not Available1.518-1.527
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
Not Available0.006-0.007
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Gibbsite and Moonstone Optic Character

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

Gibbsite and Moonstone Transparency

Similar to their colors, Gibbsite 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, Gibbsite is Not Available while Gibbsite is Not Available in appearance.