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Faustite
Faustite

Citrine
Citrine



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Faustite
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Citrine

Faustite and Citrine Optical Properties

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Optical Properties

Luster

Waxy
Vitreous

Pleochroism

-
Natural: weak; yellow light yellow.

Dispersion

0.010.01
0.005 1
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Transparency

Translucent
Transparent

Refractive Index

1.6121.544-1.553
1 3.25
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Optic Character

-
-

Crystal System

Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Trigonal

Birefringence

-99990.009
0 0.296
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Clarity

Translucent
Transparent

Faustite and Citrine Optic Character

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

Faustite and Citrine Transparency

Similar to their colors, Faustite and Citrine 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, Faustite is Translucent while Faustite is Translucent in appearance.