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Rhodolite
Rhodolite

Mottramite
Mottramite



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Rhodolite
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Mottramite

Rhodolite and Mottramite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Greasy
1.2 Pleochroism
None
Visible X=Y= canary yellow to greenish yellow
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Not Available
1.5 Refractive Index
1.7602.170
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
0.010-0.0140.150
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Rhodolite and Mottramite Optic Character

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

Similar to their colors, Rhodolite and Mottramite 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.