Albite and Rosasite Optical Properties

Albite

Rosasite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Silky, Vitreous

1.2 Pleochroism

colorless.

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

1.3 Dispersion

1.00NA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.525-1.5421.672-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

monoclinic

1.8 Birefringence

0.008-0.0110.139-0.143

0 0.296

1.9 Clarity

Transparent

Not Available

Albite and Rosasite Optic Character

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

Similar to their colors, Albite 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, Albite is Translucent and Transparent while Albite is Translucent and Transparent in appearance.