Rhodochrosite and Hodgkinsonite Optical Properties

Rhodochrosite

Hodgkinsonite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak

Lavender and pale purple for transparent pink stones.Michael OâDonoghue

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Opaque, Transparent to nearly opaque

Gems

1.5 Refractive Index

1.601.720-1.746

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

0.208-0.2200.026

0 0.296

1.9 Clarity

Transparent to nearly opaque

Gems

Rhodochrosite and Hodgkinsonite Optic Character

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

Similar to their colors, Rhodochrosite and Hodgkinsonite 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.