Citrine and Catapleiite Optical Properties

Citrine

Catapleiite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Natural: weak; yellow light yellow.

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)

1.5 Refractive Index

1.544-1.5531.590-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

1.8 Birefringence

0.0090.039

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Citrine and Catapleiite Optic Character

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

Similar to their colors, Citrine and Catapleiite 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.