Rosasite and Adularia Optical Properties

Rosasite

Adularia

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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

TransparentArthur Thomas, Gemstones (2009)

1.5 Refractive Index

1.672-1.6881.518-1.536

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.139-0.1430.005-0.008

0 0.296

1.9 Clarity

Not Available

TransparentArthur Thomas

Rosasite and Adularia Optic Character

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

Similar to their colors, Rosasite and Adularia 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.