Erythrite and Rhodochrosite Optical Properties

Erythrite

Rhodochrosite

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1 Optical Properties

1.1 Luster

Subadamantine, Pearly

Vitreous

1.2 Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Weak

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Not Available

Transparent, Opaque, Transparent to nearly opaque

1.5 Refractive Index

1.626-1.6291.60

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Trigonal

1.8 Birefringence

Not Available0.208-0.220

0 0.296

1.9 Clarity

Not Available

Transparent to nearly opaque

Erythrite and Rhodochrosite Optic Character

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

Similar to their colors, Erythrite 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, Erythrite is Not Available while Erythrite is Not Available in appearance.