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Arfvedsonite
Arfvedsonite

Phosphophyllite
Phosphophyllite



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Arfvedsonite
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Phosphophyllite

Arfvedsonite and Phosphophyllite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Strong: Blue-greens
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.652-1.6991.595-1.621
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

-99990.021
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Arfvedsonite and Phosphophyllite Optic Character

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

Arfvedsonite and Phosphophyllite Transparency

Similar to their colors, Arfvedsonite and Phosphophyllite 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, Arfvedsonite is while Arfvedsonite is in appearance.