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Phosphophyllite
Phosphophyllite

Zultanite
Zultanite



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Phosphophyllite
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Zultanite

Phosphophyllite and Zultanite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.03-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.595-1.6211.68-1.75
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Phosphophyllite and Zultanite Optic Character

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

Phosphophyllite and Zultanite Transparency

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