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Gibbsite
Gibbsite

Rhodolite
Rhodolite



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Gibbsite
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Rhodolite

Gibbsite and Rhodolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Greasy, Vitreous
1.2 Pleochroism
colorless.
None
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
cubic
1.8 Birefringence
Not Available0.010-0.014
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Gibbsite and Rhodolite Optic Character

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

Similar to their colors, Gibbsite and Rhodolite 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.