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Phosphophyllite
Phosphophyllite

Antimony trioxide
Antimony trioxide



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Phosphophyllite
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Antimony trioxide

Phosphophyllite and Antimony trioxide Optical Properties

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.03-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.595-1.6212.087
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
cubic (α)<570 °C

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Phosphophyllite and Antimony trioxide Optic Character

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

Similar to their colors, Phosphophyllite and Antimony trioxide 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.