Hureaulite and Rosasite Optical Properties

Hureaulite

Rosasite

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

Vitreous, Greasy

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

0.02

Transparent

1.647-1.667

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

0.012

Transparent

Silky, Vitreous

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

0.03

1.672-1.688

monoclinic

0.139-0.143

Hureaulite and Rosasite Optic Character

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

Similar to their colors, Hureaulite 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, Hureaulite is while Hureaulite is in appearance.