Rhodolite and Catapleiite Optical Properties

Rhodolite

Catapleiite

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1 Optical Properties

1.1 Luster

Greasy, Vitreous

Vitreous

1.2 Pleochroism

None

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)

1.5 Refractive Index

1.7601.590-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

1.8 Birefringence

0.010-0.0140.039

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Rhodolite and Catapleiite Optic Character

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

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Rhodolite and Catapleiite Transparency

Similar to their colors, Rhodolite and Catapleiite 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.