Dioptase and Rhodochrosite Optical Properties

Dioptase

Rhodochrosite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak; dark emerald green

Weak

1.3 Dispersion

0.040.02

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli

Transparent, Opaque, Transparent to nearly opaque

1.5 Refractive Index

1.644-1.7201.60

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

1.8 Birefringence

0.051-0.0530.208-0.220

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

Transparent to nearly opaque

Dioptase and Rhodochrosite Optic Character

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

Similar to their colors, Dioptase and Rhodochrosite 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.