Rhodochrosite and Apache Tear Optical Properties

Rhodochrosite

Apache Tear

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Optical Properties

Luster

Vitreous

Pleochroism

Weak

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Opaque, Transparent to nearly opaque

Refractive Index

1.60-9999

1 3.25

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Optic Character

Crystal System

Trigonal

Birefringence

0.208-0.220-9999

0 0.296

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Clarity

Transparent to nearly opaque

Rhodochrosite and Apache Tear Optic Character

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

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