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Rhodolite
Rhodolite

Gedrite
Gedrite



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Rhodolite
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Gedrite

Rhodolite and Gedrite Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Vitreous
Fibrous, Vitreous
1.2 Pleochroism
None
Weak to moderate
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.7601.625-1.718
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.010-0.014Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Rhodolite and Gedrite Optic Character

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

Similar to their colors, Rhodolite and Gedrite 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.