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Mottramite
Mottramite

Rhodolite
Rhodolite



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Mottramite
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Rhodolite

Mottramite and Rhodolite Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Greasy, Vitreous
1.2 Pleochroism
Visible X=Y= canary yellow to greenish yellow
None
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
2.1701.760
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.1500.010-0.014
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Mottramite and Rhodolite Optic Character

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

Mottramite and Rhodolite Transparency

Similar to their colors, Mottramite 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, Mottramite is Not Available while Mottramite is Not Available in appearance.