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Anthophyllite
Anthophyllite

Citrine
Citrine



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Anthophyllite
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Citrine

Anthophyllite and Citrine Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
Natural: weak; yellow light yellow.

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.603-1.6901.544-1.553
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal

Birefringence

-99990.009
0 0.296
👆🏻

Clarity

Transparent
Transparent

Anthophyllite and Citrine Optic Character

Anthophyllite and Citrine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Anthophyllite 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 Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Anthophyllite and Citrine Transparency

Similar to their colors, Anthophyllite 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, Anthophyllite is Transparent while Anthophyllite is Transparent in appearance.