Sulphur and Rhodochrosite Optical Properties

Sulphur

Rhodochrosite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Not Available

Weak

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TranslucentWalter Schumann, Gemstones of the world (2001)

Transparent, Opaque, Transparent to nearly opaque

1.5 Refractive Index

1.958-2.2451.60

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

0.2910.208-0.220

0 0.296

1.9 Clarity

TranslucentWalter Schumann

Transparent to nearly opaque

Sulphur and Rhodochrosite Optic Character

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

Similar to their colors, Sulphur 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, Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann while Sulphur is Gemstones of the world (2001) and TranslucentWalter Schumann in appearance.