Citrine and Hureaulite Optical Properties

Citrine

Hureaulite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Greasy

1.2 Pleochroism

Natural: weak; yellow light yellow.

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

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.544-1.5531.647-1.667

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

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

1.8 Birefringence

0.0090.012

0 0.296

1.9 Clarity

Transparent

Citrine and Hureaulite Optic Character

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

Similar to their colors, Citrine and Hureaulite 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, Citrine is Transparent while Citrine is Transparent in appearance.