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Rhodolite
Rhodolite

Manganotantalite
Manganotantalite



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Rhodolite
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Manganotantalite

Rhodolite and Manganotantalite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Not Available
1.2 Pleochroism
None
Sometimes strongArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.7602.19-2.34
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Not Available
1.8 Birefringence
0.010-0.0140.015
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentWalter Schumann

Rhodolite and Manganotantalite Optic Character

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

Similar to their colors, Rhodolite and Manganotantalite 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.