Rosasite and Pyrrhotite Optical Properties

Rosasite

Pyrrhotite

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1 Optical Properties

1.1 Luster

Silky, Vitreous

Not Available

1.2 Pleochroism

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.672-1.6883

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.139-0.143Not Available

0 0.296

1.9 Clarity

Not Available

Rosasite and Pyrrhotite Optic Character

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

Similar to their colors, Rosasite and Pyrrhotite 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, Rosasite is Not Available while Rosasite is Not Available in appearance.