Citrine and Omphacite Optical Properties

Citrine

Omphacite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Natural: weak; yellow light yellow.

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

0.01NA

0.007 1

1.7 Transparency

Transparent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.8 Refractive Index

1.544-1.5531.662-1.723

1 3.25

1.9 Optic Character

Not Available

1.10 Crystal System

Trigonal

Not Available

1.11 Birefringence

0.009Not Available

0 0.296

1.12 Clarity

Transparent

TranslucentAnthony et al

Citrine and Omphacite Optic Character

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

Similar to their colors, Citrine and Omphacite 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.