Rhodochrosite and Cacoxenite Optical Properties

Rhodochrosite

Cacoxenite

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

Weak

visible: O = Pale yellow E = Canary yellow to yellow orange

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Opaque, Transparent to nearly opaque

Not Available

1.5 Refractive Index

1.601.575-1.585

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Hexagonal

1.8 Birefringence

0.208-0.220Not Available

0 0.296

1.9 Clarity

Transparent to nearly opaque

Not Available

Rhodochrosite and Cacoxenite Optic Character

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

Similar to their colors, Rhodochrosite and Cacoxenite 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.