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Goethite
Goethite

Rhodolite
Rhodolite



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Goethite
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Rhodolite

Goethite and Rhodolite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Greasy, Vitreous
1.2 Pleochroism
VisibleArthur Thomas
None
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones (2009)
Gemmological Tables (2004)
1.5 Refractive Index
2.26-2.3981.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.1380.010-0.014
Achroite
0 0.296
1.9 Clarity
Gemstones (2009)
TransparentUlrich Henn and Claudio C. Milisenda

Goethite and Rhodolite Optic Character

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

Goethite and Rhodolite Transparency

Similar to their colors, Goethite 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, Goethite is Gemstones (2009) while Goethite is Gemstones (2009) in appearance.