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Rhodochrosite and Catapleiite Optical Properties


Catapleiite and Rhodochrosite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Weak   
Not Available   

Dispersion
0.02   
24
Not Available   

Transparency
Transparent, Opaque, Transparent to nearly opaque   
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)   

Refractive Index
1.60   
1.590-1.629   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.208-0.220   
0.039   

Clarity
Transparent to nearly opaque   
TransparentUlrich Henn and Claudio C. Milisenda   

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Rhodochrosite and Catapleiite Optic Character

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

Similar to their colors, Rhodochrosite 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, Rhodochrosite is Opaque, Transparent and Transparent to nearly opaque while Rhodochrosite is Opaque, Transparent and Transparent to nearly opaque in appearance.

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