Ulexite and Rosasite Optical Properties

Ulexite

Rosasite

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1 Optical Properties

1.1 Luster

Not Available

Silky, Vitreous

1.2 Pleochroism

AbsentWalter Schumann

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

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Transparent

Not Available

1.5 Refractive Index

1.491-1.5201.672-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.0290.139-0.143

0 0.296

1.9 Clarity

Transparent

Not Available

Ulexite and Rosasite Optic Character

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

Similar to their colors, Ulexite and Rosasite 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, Ulexite is Transparent while Ulexite is Transparent in appearance.