Rosasite and Muscovite Optical Properties

Rosasite

Muscovite

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1 Optical Properties

1.1 Luster

Silky, Vitreous

Vitreous, Silky, Pearly

1.2 Pleochroism

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

Weak

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

1.672-1.6881.552-1.618

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

Transparent

Rosasite and Muscovite Optic Character

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

Similar to their colors, Rosasite and Muscovite 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.