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Rhodolite
Rhodolite

Grandidierite
Grandidierite



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Rhodolite
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Grandidierite

Rhodolite and Grandidierite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous, Pearly
1.2 Pleochroism
None
visible
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.7601.578-1.639
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
0.010-0.0140.037-0.039
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemmological Tables (2004) More from other references

Rhodolite and Grandidierite Optic Character

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

Rhodolite and Grandidierite Transparency

Similar to their colors, Rhodolite and Grandidierite 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, Rhodolite is Gemmological Tables (2004) while Rhodolite is Gemmological Tables (2004) in appearance.